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Rich Carnelian

#ed4b2a
Notes

Rich Carnelian (#ED4B2A) 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 (10°, 84%, 55%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ed4b2a
RGB
rgb(237, 75, 42)
HSL
hsl(10, 84%, 55%)
HWB
hwb(10 16% 7%)
OKLCH
oklch(63.8% 0.204 33.3)
HSV
hsv(10, 82%, 93%)
LAB
lab(55.29% 60.63 52.87)
LCH
lch(55.29% 80.44 41.09)
CMYK
cmyk(0%, 68%, 82%, 7%)

Etymology

Rich
adjective

Old French riche, wealthy, abundant — applied to color since the medieval period for hues that read as plentiful in pigment. Rich red, rich brown: the implication is depth combined with saturation, a color that gives the eye more to absorb. Sits at the saturated mid-light corner of the engine's grid, slightly warmer than bold and deeper than vivid.

Carnelian
noun

A translucent variety of chalcedony tinted by trace iron, carnelian was the seal stone of the ancient world — Roman intaglios, Indus Valley etched beads, the breastplate of the Israelite high priest. The name comes from the Latin carneolus, of flesh. The color is exactly that: a warm, low-saturation red that reads as both stone and skin, more orange than crimson, more body than blood.

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.

#ed4b2a
Original
#7b6e24
Protanopia
#a39221
Deuteranopia
#ff0845
Tritanopia
#6b6b6b
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).
AA Largeon White
3.72:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.64:1

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Canvas