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Bold Slav Crimson

#ae1c25
Notes

Bold Slav Crimson (#AE1C25) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (356°, 72%, 40%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ae1c25
RGB
rgb(174, 28, 37)
HSL
hsl(356, 72%, 40%)
HWB
hwb(356 11% 32%)
OKLCH
oklch(48.6% 0.180 24.7)
P3
color(display-p3 0.6264 0.1729 0.1715)
HSV
hsv(356, 84%, 68%)
LAB
lab(37.78% 56.41 34.30)
LCH
lch(37.78% 66.02 31.30)
CMYK
cmyk(0%, 84%, 79%, 32%)

Etymology

Bold
adjective

Old English beald, brave, courageous — a quality word that crossed over to color in the late seventeenth century. Bold describes a color that asserts itself: high saturation combined with mid lightness, where the hue presents itself without compromise. Sits at the center of the bold-bucket grid, near strong and rich. Closer to a presence word than a pigment word.

Slav
modifier

Old Slavic Slověninъ, speaker / Slav. As a color modifier, slav implies an Eastern-European quality, the visual register of Slavonic-Russian-Polish-Czech hand-built Onion-domed-cathedral-and-folk-hand-painted Slavic-folk-tradition surfaces under Russian-Orthodox-and-Czech-and-Polish folk-painting cathedral light. Sits at the modifier-and-cultural end of the grid, parallel to roman and celtic in usage.

Crimson
noun

From the Old Spanish cremesin, itself from the Arabic qirmiz — the kermes scale insect, dried and ground into a brilliant carmine dye prized in the medieval Mediterranean. For centuries the most expensive red on a draper's shelf, reserved for cardinals, kings, and the cloth that gave English the word crimson. Cooler than scarlet, deeper than rose; the color of pomegranate seeds and a serious occasion.

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.

#ae1c25
Original
#4c4524
Protanopia
#70641f
Deuteranopia
#c00022
Tritanopia
#3c3c3c
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
7.02:1
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
2.99:1

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
##AE1C25
Display P3
Display P3
color(display-p3 0.6264 0.1729 0.1715)
P3 has subtle headroomOKLCH chroma 0.180

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.

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