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Cimmerian Starlight

#2f2f77
Notes

Cimmerian Starlight (#2F2F77) is a deep blue with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (240°, 43%, 33%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2f2f77
RGB
rgb(47, 47, 119)
HSL
hsl(240, 43%, 33%)
HWB
hwb(240 18% 53%)
OKLCH
oklch(35.0% 0.120 278.2)
P3
color(display-p3 0.1843 0.1843 0.4498)
HSV
hsv(240, 61%, 47%)
LAB
lab(23.57% 23.05 -41.39)
LCH
lch(23.57% 47.37 299.11)
CMYK
cmyk(61%, 61%, 0%, 53%)

Etymology

Cimmerian
adjective

From the Cimmerians of Homer's Odyssey — a legendary people who dwelled at the western edge of the world in perpetual darkness. As a color modifier, cimmerian implies a literary-poetic register for absolute darkness without sunlight. Sits at the deepest end of the grid, parallel to Stygian with classical literary connotations.

Starlight
noun

The integrated visible spectrum of the Milky Way's faint stars — about 500 times dimmer than full moonlight and richly blue-violet at high galactic-latitude viewing angles where dust extinction is minimized. Starlight color refers to the deep-blue night-sky background between the brightest stars on a moonless dark-site night: a saturated, slightly cool deep blue-violet with the optical complexity of integrated multi-stellar Rayleigh-scattered atmospheric light.

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.

#2f2f77
Original
#003b79
Protanopia
#003576
Deuteranopia
#02404e
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
11.71:1
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
1.79:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##2F2F77
Display P3
Display P3
color(display-p3 0.1843 0.1843 0.4498)
P3 has subtle headroomOKLCH chroma 0.120

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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