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Commanding Speedwell

#483bb9
Notes

Commanding Speedwell (#483BB9) 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 (246°, 52%, 48%) 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
#483bb9
RGB
rgb(72, 59, 185)
HSL
hsl(246, 52%, 48%)
HWB
hwb(246 23% 27%)
OKLCH
oklch(44.9% 0.189 280.2)
P3
color(display-p3 0.2741 0.2333 0.6986)
HSV
hsv(246, 68%, 73%)
LAB
lab(34.00% 42.04 -64.68)
LCH
lch(34.00% 77.14 303.03)
CMYK
cmyk(61%, 68%, 0%, 27%)

Etymology

Commanding
adjective

Latin commendāre, to entrust / order — present-participle of command. As a color modifier, commanding implies a saturated-and-authoritative quality where the hue claims visual leadership of its surrounding palette. Sits at the bold-and-authoritative end of the grid, parallel to authoritative and imperial in usage.

Speedwell
noun

Veronica chamaedrys, the small-flowered creeping speedwell of European hedgerows and lawn margins — named speedwell in folk Latin for its old reputation as a wound-healing herb. The color refers to a fresh speedwell flower: a saturated, slightly violet-shifted bright blue with the matte finish of a small four-petaled bloom. Cooler than periwinkle, warmer than cornflower, with the wildflower weight of a plant most often noticed by accident in a lawn.

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.

#483bb9
Original
#0055bd
Protanopia
#004bb7
Deuteranopia
#005c75
Tritanopia
#474747
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
8.07:1
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
2.60:1

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
##483BB9
Display P3
Display P3
color(display-p3 0.2741 0.2333 0.6986)
P3 has visible headroomOKLCH chroma 0.189

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.

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