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Highborn Chili Ruby

#a41b25
Notes

Highborn Chili Ruby (#A41B25) is a true 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 (356°, 72%, 37%) 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
#a41b25
RGB
rgb(164, 27, 37)
HSL
hsl(356, 72%, 37%)
HWB
hwb(356 11% 36%)
OKLCH
oklch(46.6% 0.171 24.0)
P3
color(display-p3 0.5902 0.1638 0.1679)
HSV
hsv(356, 84%, 64%)
LAB
lab(35.62% 53.79 31.36)
LCH
lch(35.62% 62.26 30.24)
CMYK
cmyk(0%, 84%, 77%, 36%)

Etymology

Highborn
adjective

Old English hēah-boren, high-born — past-participle of bear. As a color modifier, highborn implies a saturated-and-aristocratic-and-elite quality, the deep-rich color of pre-modern English high-born aristocratic-class livery-and-armorial bearings. Sits at the bold-and-aristocratic end of the grid, parallel to noble and aristocratic in usage.

Chili
modifier

Nahuatl chīlli, capsicum-fruit. As a color modifier, chili implies a Mesoamerican-capsicum-and-fiery quality, the visual register of Mesoamerican-and-Oaxacan-chili hand-Mesoamerican-capsicum-and-fiery Mesoamerican-and-Oaxacan-chili-and-Yucatec-and-Veracruzano chili-and-Mesoamerican-capsicum surfaces under Mesoamerican-and-Oaxacan-chili-and-Yucatec-and-Veracruzano Oaxaca-and-Veracruz-and-Yucatán Mesoamerican-spice-light. Sits at the modifier-and-flavor end of the grid, parallel to pepper and pimento in usage.

Ruby
noun

From the Latin ruber — simply, red. The gemstone is a chromium-tinged corundum, harder than anything in nature except diamond, and so saturated that a fine Burmese pigeon's blood ruby at auction outpaces a comparable diamond by weight. The color borrows the gem's confidence: a clear, glassy red without the brown of garnet or the blue of crimson.

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.

#a41b25
Original
#484124
Protanopia
#695e1f
Deuteranopia
#b50021
Tritanopia
#393939
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
7.60:1
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
2.76:1

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
##A41B25
Display P3
Display P3
color(display-p3 0.5902 0.1638 0.1679)
P3 has subtle headroomOKLCH chroma 0.171

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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