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Valiant Cobaltite

#1765b5
Notes

Valiant Cobaltite (#1765B5) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (210°, 77%, 40%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1765b5
RGB
rgb(23, 101, 181)
HSL
hsl(210, 77%, 40%)
HWB
hwb(210 9% 29%)
OKLCH
oklch(50.6% 0.146 253.6)
HSV
hsv(210, 87%, 71%)
LAB
lab(42.50% 7.73 -48.65)
LCH
lch(42.50% 49.26 279.03)
CMYK
cmyk(87%, 44%, 0%, 29%)

Etymology

Valiant
adjective

Latin valēns, strong — present-participle of valēre, sharing root with English value and valor. As a color modifier, valiant implies a saturated-and-courageous-and-firm quality, the deep-rich color of Crusader-and-Knight-Templar military-religious-order vestment. Sits at the bold-and-chivalrous end of the grid, parallel to gallant and heroic in usage.

Cobaltite
noun

A cobalt-arsenic-sulfide mineral — the principal historical source of cobalt for ceramic and pigment use. Mined principally in Cobalt, Ontario (the source of the modern cobalt-mining industry's name). The color refers to a polished cobaltite crystal: a soft, slightly cool deep blue-silver with the metallic finish of crystallized cobalt mineral.

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.

#1765b5
Original
#3b6cb8
Protanopia
#195eb3
Deuteranopia
#007884
Tritanopia
#5a5a5a
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
5.89:1
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
3.57:1

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