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Highborn Dan

#a21d0a
Notes

Highborn Dan (#A21D0A) 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 (8°, 88%, 34%) 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
#a21d0a
RGB
rgb(162, 29, 10)
HSL
hsl(8, 88%, 34%)
HWB
hwb(8 4% 36%)
OKLCH
oklch(46.1% 0.170 31.2)
HSV
hsv(8, 94%, 64%)
LAB
lab(35.17% 51.99 44.56)
LCH
lch(35.17% 68.47 40.60)
CMYK
cmyk(0%, 82%, 94%, 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.

Dan
noun

The classical Chinese name for vermillion — the cinnabar-and-lead-tetroxide pigment used in Daoist alchemy (dan meaning elixir) and in the painted decoration of Han-period lacquerware. The color refers to dan-pigment on silk: a saturated, slightly orange red with the matte finish of refined mineral. Brighter than zhusha, warmer than vermillion.

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

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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.

#a21d0a
Original
#494004
Protanopia
#695d00
Deuteranopia
#b3001b
Tritanopia
#383838
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
7.73:1
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
2.72:1

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