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Bleak Aegirine

#1d2878
Notes

Bleak Aegirine (#1D2878) is a deep blue 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 (233°, 61%, 29%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#1d2878
RGB
rgb(29, 40, 120)
HSL
hsl(233, 61%, 29%)
HWB
hwb(233 11% 53%)
OKLCH
oklch(32.5% 0.136 270.6)
HSV
hsv(233, 76%, 47%)
LAB
lab(20.57% 25.28 -46.96)
LCH
lch(20.57% 53.33 298.30)
CMYK
cmyk(76%, 67%, 0%, 53%)

Etymology

Bleak
adjective

Old Norse bleikr, pale — sharing root with English bleach. As a color modifier, bleak implies a deep-and-cold-and-comfortless quality, the dark gray-pale of Yorkshire-Moors and Hebrides late-winter atmospheric-light. Sits at the deep-and-cool end of the grid, parallel to grim and bitter in atmospheric register.

Aegirine
noun

A sodium-iron pyroxene mineral — often saturated dark blue-green-black, mined principally in Norway, Greenland, and Russia. The name traces to Ægir, the Norse god of the sea. The color refers to a polished Norwegian aegirine specimen: a deep, slightly cool dark blue-green-black with the slight metallic luster of pyroxene.

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.

#1d2878
Original
#00367b
Protanopia
#002d76
Deuteranopia
#003d4c
Tritanopia
#2b2b2b
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
12.91:1
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
1.63:1

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