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Heavy Pepper Crimson

#900209
Notes

Heavy Pepper Crimson (#900209) is a deep red with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (357°, 97%, 29%) places it in the highly saturated band at a dark 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
#900209
RGB
rgb(144, 2, 9)
HSL
hsl(357, 97%, 29%)
HWB
hwb(357 1% 44%)
OKLCH
oklch(41.2% 0.167 27.7)
P3
color(display-p3 0.5163 0.0988 0.0808)
HSV
hsv(357, 99%, 56%)
LAB
lab(29.40% 52.15 39.16)
LCH
lch(29.40% 65.21 36.90)
CMYK
cmyk(0%, 99%, 94%, 44%)

Etymology

Heavy
adjective

Old English hefig, weighty — cognate with heave. Used as a color modifier since at least the seventeenth century to indicate weight in saturation as much as value: heavy with pigment, heavy-bodied. In the engine's adjective grid, heavy sits alongside deep and plush in the dark-and-saturated quadrant. Closer to a fabric description than a pure value word.

Pepper
modifier

Latin piper, black-pepper-corn. As a color modifier, pepper implies a black-pepper-corn-and-Malabar-Coast quality, the visual register of Malabar-Coast-and-Vietnamese-pepper hand-black-pepper-corn-and-Malabar-Coast Malabar-Coast-and-Vietnamese-pepper-and-Tellicherry pepper-and-black-pepper-corn surfaces under Malabar-Coast-and-Vietnamese-pepper-and-Tellicherry Malabar-and-Tellicherry-and-Phu-Quoc Indian-Ocean-spice-light. Sits at the modifier-and-flavor end of the grid, parallel to clove and cumin 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.

#900209
Original
#3a3306
Protanopia
#5a4f00
Deuteranopia
#a00008
Tritanopia
#212121
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
9.55:1
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
2.20:1

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
##900209
Display P3
Display P3
color(display-p3 0.5163 0.0988 0.0808)
P3 has subtle headroomOKLCH chroma 0.167

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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