colors
Back to gallery

Grounded Heraldry

#5547b7
Notes

Grounded Heraldry (#5547B7) is a true blue with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (248°, 44%, 50%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#5547b7
RGB
rgb(85, 71, 183)
HSL
hsl(248, 44%, 50%)
HWB
hwb(248 28% 28%)
OKLCH
oklch(47.7% 0.170 283.6)
P3
color(display-p3 0.3244 0.2805 0.6924)
HSV
hsv(248, 61%, 72%)
LAB
lab(37.58% 36.48 -57.61)
LCH
lch(37.58% 68.19 302.34)
CMYK
cmyk(54%, 61%, 0%, 28%)

Etymology

Grounded
adjective

Old English grund, bottom / foundation — past-participle of ground. As a color modifier, grounded implies a saturated-and-foundational quality where the hue anchors the surrounding palette through its weighty presence. Sits at the bold-and-balanced end of the grid, parallel to centered and anchored.

Heraldry
noun

Old French heraudie, herald-craft — the medieval European armorial-bearings system, where the heraldic tincture purpure (one of the rare stains) is rendered as a deep blue-violet on shields-and-banners since the 13th century. Heraldry color refers to a 14th-century French armorial-roll purpure tincture: a saturated, slightly cool deep blue-violet with the matte finish of vermilion-and-azurite-mixed armorial pigment.

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.

#5547b7
Original
#005cbb
Protanopia
#0055b5
Deuteranopia
#2b6278
Tritanopia
#525252
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).
AAAon White
7.07:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.97:1

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
##5547B7
Display P3
Display P3
color(display-p3 0.3244 0.2805 0.6924)
P3 has subtle headroomOKLCH chroma 0.170

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

Related Colors

Canvas