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Sinewy Faun Crimson

#b42527
Notes

Sinewy Faun Crimson (#B42527) 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 (359°, 66%, 43%) 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
#b42527
RGB
rgb(180, 37, 39)
HSL
hsl(359, 66%, 43%)
HWB
hwb(359 15% 29%)
OKLCH
oklch(50.3% 0.179 26.0)
P3
color(display-p3 0.6489 0.1998 0.1814)
HSV
hsv(359, 79%, 71%)
LAB
lab(39.88% 55.82 35.72)
LCH
lch(39.88% 66.27 32.62)
CMYK
cmyk(0%, 79%, 78%, 29%)

Etymology

Sinewy
adjective

Old English sinu, sinew — adjectival suffix -y. As a color modifier, sinewy implies a saturated-and-muscular-and-firm quality where the hue carries the lean-and-strong visual presence of a Roman-statue athletic figure. Sits at the bold-and-firm end of the grid, parallel to stalwart and rugged in usage.

Faun
modifier

Latin Faunus, Roman-half-goat-rural-deity. As a color modifier, faun implies a half-goat-and-pastoral-and-Arcadian quality, the visual register of Roman-Faunus-and-Arcadian-pastoral-faun hand-half-goat-and-pastoral-and-Arcadian Roman-Faunus-and-Arcadian-pastoral-faun-and-Pan faun-and-half-goat-and-pastoral-and-Arcadian surfaces under Roman-Faunus-and-Arcadian-pastoral-faun-and-Pan Lupercalia-and-Arcadia-and-pipes-of-Pan pastoral-Arcadian-light. Sits at the modifier-and-myth end of the grid, parallel to satyr and dryad 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.

#b42527
Original
#524a25
Protanopia
#756921
Deuteranopia
#c70028
Tritanopia
#444444
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
6.49:1
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
3.23:1

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
##B42527
Display P3
Display P3
color(display-p3 0.6489 0.1998 0.1814)
P3 has subtle headroomOKLCH chroma 0.179

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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