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Conquering Sapphirine

#1a4bb7
Notes

Conquering Sapphirine (#1A4BB7) 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 (221°, 75%, 41%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1a4bb7
RGB
rgb(26, 75, 183)
HSL
hsl(221, 75%, 41%)
HWB
hwb(221 10% 28%)
OKLCH
oklch(45.2% 0.179 262.9)
HSV
hsv(221, 86%, 72%)
LAB
lab(35.34% 25.91 -61.40)
LCH
lch(35.34% 66.64 292.88)
CMYK
cmyk(86%, 59%, 0%, 28%)

Etymology

Conquering
adjective

Latin conquīrere, to seek thoroughly — present-participle of conquer. As a color modifier, conquering implies a saturated-and-overwhelming-and-victorious quality where the hue overcomes neighboring colors through pure pigmentation strength. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and dominant.

Sapphirine
noun

A magnesium-aluminum silicate gem — distinct from sapphire (corundum) — mined principally in Madagascar, Sri Lanka, and Greenland. Sapphirine is one of the rarest gem materials. The color refers to a faceted Madagascan sapphirine: a saturated, slightly cool deep blue-violet with the gem's signature internal warmth.

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.

#1a4bb7
Original
#005bbb
Protanopia
#004cb5
Deuteranopia
#006779
Tritanopia
#484848
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
7.68:1
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
2.73:1

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