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Unyielding Sari Crimson

#ad1221
Notes

Unyielding Sari Crimson (#AD1221) 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 (354°, 81%, 37%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ad1221
RGB
rgb(173, 18, 33)
HSL
hsl(354, 81%, 37%)
HWB
hwb(354 7% 32%)
OKLCH
oklch(47.8% 0.184 24.5)
HSV
hsv(354, 90%, 68%)
LAB
lab(36.80% 58.09 35.54)
LCH
lch(36.80% 68.10 31.46)
CMYK
cmyk(0%, 90%, 81%, 32%)

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.

Sari
modifier

Sanskrit śāṭī, long-draped-cloth. As a color modifier, sari implies an Indian-sari-and-Banarasi-and-Kanjeevaram-silk quality, the visual register of Banarasi-and-Kanjeevaram-sari hand-Indian-sari-and-Banarasi-and-Kanjeevaram-silk Banarasi-and-Kanjeevaram-sari-and-Mysore-and-Bengal-cotton sari-and-Indian-sari surfaces under Banarasi-and-Kanjeevaram-sari-and-Mysore-and-Bengal-cotton Varanasi-and-Kanjeevaram-and-Mysore-loom Indian-loom-light. Sits at the modifier-and-textile end of the grid, parallel to kimono and haori in usage.

Crimson
noun

From the Old Spanish cremesin, itself from the Arabic qirmiz — the kermes scale insect, dried and ground into a brilliant carmine dye prized in the medieval Mediterranean. For centuries the most expensive red on a draper's shelf, reserved for cardinals, kings, and the cloth that gave English the word crimson. Cooler than scarlet, deeper than rose; the color of pomegranate seeds and a serious occasion.

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.

#ad1221
Original
#494220
Protanopia
#6e621a
Deuteranopia
#bf001b
Tritanopia
#343434
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
7.28:1
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
2.89:1

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