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Unyielding Pyrope

#a40b0b
Notes

Unyielding Pyrope (#A40B0B) 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 (0°, 87%, 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
#a40b0b
RGB
rgb(164, 11, 11)
HSL
hsl(0, 87%, 34%)
HWB
hwb(0 4% 36%)
OKLCH
oklch(45.6% 0.181 28.5)
HSV
hsv(0, 93%, 64%)
LAB
lab(34.31% 56.27 43.83)
LCH
lch(34.31% 71.32 37.92)
CMYK
cmyk(0%, 93%, 93%, 36%)

Etymology

Unyielding
adjective

Old English un- (negation) plus gildan (to give-up). As a color modifier, unyielding implies a saturated-and-uncompromising quality where the hue refuses to fade-or-shift under any visual pressure. Sits at the bold-and-resilient end of the grid, parallel to indomitable and adamant in usage.

Pyrope
noun

A magnesium-aluminum garnet variety — the deeper, more saturated red of fine garnets from Czech, South African, and Tanzanian sources. The color refers to a faceted Bohemian pyrope: a saturated, slightly cool deep red with the gem's signature internal life. Deeper than almandine, warmer than ruby.

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.

#a40b0b
Original
#453c06
Protanopia
#685c00
Deuteranopia
#b60010
Tritanopia
#2c2c2c
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
7.98:1
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
2.63:1

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