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Indomitable Akane

#cf2931
Notes

Indomitable Akane (#CF2931) 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 (357°, 67%, 49%) 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
#cf2931
RGB
rgb(207, 41, 49)
HSL
hsl(357, 67%, 49%)
HWB
hwb(357 16% 19%)
OKLCH
oklch(55.7% 0.200 24.7)
HSV
hsv(357, 80%, 81%)
LAB
lab(45.74% 62.90 37.87)
LCH
lch(45.74% 73.42 31.05)
CMYK
cmyk(0%, 80%, 76%, 19%)

Etymology

Indomitable
adjective

Latin indomitābilis, unconquerable — derived from domāre (to tame). As a color modifier, indomitable implies a saturated-and-unconquerable-and-fierce quality where the hue resists any attempt to subdue or modulate its presence. Sits at the bold-and-resilient end of the grid, parallel to unyielding and adamant.

Akane
noun

Rubia cordifolia, the Asian madder root that gave its name in Japanese to a saturated dawn-red color and to one of the oldest dyes in continuous use in Japan. Akane has dyed temple textiles, kimono linings, and the akabō porter caps of pre-modern Tokyo for over a thousand years. The color refers to a freshly akane-dyed silk: a saturated, slightly orange-shifted red with the plant-dye warmth of natural pigment.

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.

#cf2931
Original
#5e552f
Protanopia
#87792a
Deuteranopia
#e4002e
Tritanopia
#4d4d4d
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
5.23:1
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
4.01:1

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