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Adamant Beet

#c8138a
Notes

Adamant Beet (#C8138A) is a true magenta with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (321°, 83%, 43%) places it in the highly saturated band at a mid 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#c8138a
RGB
rgb(200, 19, 138)
HSL
hsl(321, 83%, 43%)
HWB
hwb(321 7% 22%)
OKLCH
oklch(55.6% 0.226 348.0)
HSV
hsv(321, 91%, 78%)
LAB
lab(45.06% 72.03 -17.76)
LCH
lch(45.06% 74.19 346.15)
CMYK
cmyk(0%, 91%, 31%, 22%)

Etymology

Adamant
adjective

Greek adámas, unconquerable — derived from a- (not) plus damnan (to subdue). As a color modifier, adamant implies a saturated-and-rock-hard quality where the hue maintains diamond-hard pigmentation. Sits at the bold-and-resilient end of the grid, parallel to indomitable and ironclad in usage.

Beet
noun

Beta vulgaris, the cultivated beet — the same species as Swiss chard, sugar beet, and the table beet, distinguished only by selective breeding for different parts of the plant. The color refers to a freshly cut red beet's exposed flesh: a saturated, slightly cool very deep red-purple with the matte finish of high-betalain pigment. Cooler than wine, warmer than mulberry, with the kitchen-table weight of a root that stains everything it touches.

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.

#c8138a
Original
#3a588d
Protanopia
#6f7586
Deuteranopia
#d70052
Tritanopia
#424242
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
5.36:1
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
3.92:1

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