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Earnest Mater Crimson

#e11437
Notes

Earnest Mater Crimson (#E11437) 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 (350°, 84%, 48%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#e11437
RGB
rgb(225, 20, 55)
HSL
hsl(350, 84%, 48%)
HWB
hwb(350 8% 12%)
OKLCH
oklch(58.0% 0.226 21.8)
P3
color(display-p3 0.8098 0.1956 0.2431)
HSV
hsv(350, 91%, 88%)
LAB
lab(47.99% 71.99 37.91)
LCH
lch(47.99% 81.36 27.77)
CMYK
cmyk(0%, 91%, 76%, 12%)

Etymology

Earnest
adjective

Old English eornost, seriousness, zeal. Used as a color modifier since the nineteenth century for hues that read as committed but unshowy — the working blues of denim, the deep greens of Quaker meetinghouses. Sits in the bold-and-quiet corner of the grid, slightly less luminous than resolute and slightly less institutional than imperial.

Mater
modifier

Latin mater, mother. As a color modifier, mater implies a Latin-mother-and-Stabat-Mater-and-Madonna quality, the visual register of Stabat-Mater-and-Pietà-mater hand-Latin-mother-and-Stabat-Mater-and-Madonna Stabat-Mater-and-Pietà-mater-and-Marian-iconography mater-and-Latin-mother surfaces under Stabat-Mater-and-Pietà-mater-and-Marian-iconography Roman-and-Counter-Reformation Madonna-iconographic-light. Sits at the modifier-and-Latin end of the grid, parallel to pater and amor 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.

#e11437
Original
#5f5736
Protanopia
#8f802f
Deuteranopia
#f80027
Tritanopia
#424242
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
4.82:1
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
4.36:1

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
##E11437
Display P3
Display P3
color(display-p3 0.8098 0.1956 0.2431)
P3 has visible headroomOKLCH chroma 0.226

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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