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Rich Cope Royal

#376ae6
Notes

Rich Cope Royal (#376AE6) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (223°, 78%, 56%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#376ae6
RGB
rgb(55, 106, 230)
HSL
hsl(223, 78%, 56%)
HWB
hwb(223 22% 10%)
OKLCH
oklch(56.1% 0.196 264.2)
P3
color(display-p3 0.2648 0.4109 0.8712)
HSV
hsv(223, 76%, 90%)
LAB
lab(48.05% 26.24 -67.75)
LCH
lch(48.05% 72.66 291.17)
CMYK
cmyk(76%, 54%, 0%, 10%)

Etymology

Rich
adjective

Old French riche, wealthy, abundant — applied to color since the medieval period for hues that read as plentiful in pigment. Rich red, rich brown: the implication is depth combined with saturation, a color that gives the eye more to absorb. Sits at the saturated mid-light corner of the engine's grid, slightly warmer than bold and deeper than vivid.

Cope
modifier

Latin cappa, long-ecclesiastical-cloak. As a color modifier, cope implies a long-ecclesiastical-cloak-and-bishop's-cope quality, the visual register of Anglican-and-Catholic-bishop's-cope hand-long-ecclesiastical-cloak-and-bishop's-cope Anglican-and-Catholic-bishop's-cope-and-Westminster-and-Vatican cope-and-long-ecclesiastical-cloak surfaces under Anglican-and-Catholic-bishop's-cope-and-Westminster-and-Vatican Westminster-Abbey-and-Sistine-Chapel ecclesiastical-cloak-light. Sits at the modifier-and-textile end of the grid, parallel to cloak and cape in usage.

Royal
noun

The blue of European royal court dress and regalia from the late seventeenth century forward — the color of British peers' robes, French royal sashes, the lining of the crown-jewel cases. The color refers to a saturated, slightly violet-shifted blue with the matte finish of velvet or melton wool dyed to maximum intensity: deeper than cornflower, warmer than ultramarine, with the heraldic weight of a color reserved for monarchs and the official Crown.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#376ae6
Original
#007aea
Protanopia
#006ae4
Deuteranopia
#00889e
Tritanopia
#686868
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon White
4.81:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.37:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##376AE6
Display P3
Display P3
color(display-p3 0.2648 0.4109 0.8712)
P3 has visible headroomOKLCH chroma 0.196

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

Canvas