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Abyssal Pitta

#13153c
Notes

Abyssal Pitta (#13153C) 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 (237°, 52%, 15%) 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
#13153c
RGB
rgb(19, 21, 60)
HSL
hsl(237, 52%, 15%)
HWB
hwb(237 7% 76%)
OKLCH
oklch(22.1% 0.074 276.3)
HSV
hsv(237, 68%, 24%)
LAB
lab(9.00% 13.40 -25.51)
LCH
lch(9.00% 28.81 297.70)
CMYK
cmyk(68%, 65%, 0%, 76%)

Etymology

Abyssal
adjective

Greek ábyssos, bottomless — adjectival form of abyss. As a color modifier, abyssal implies a deep, cool, slightly-cool-shifted quality reminiscent of Mariana Trench depths where light-extinction reaches absolute. Sits at the deepest-and-coolest end of the deep grid, parallel to fathomless and warmer than Stygian.

Pitta
noun

Asian-and-Australasian Pittidae family — a dozen species of forest-floor passerines with brilliantly colored plumage including the deep-blue Indian pitta (Pitta brachyura) and blue-winged pitta. Pitta color refers to the dorsal-feather field of Pitta brachyura: a saturated, slightly cool deep blue-violet with the iridescent satin finish of structurally colored feather barbs. The genus name comes from the Telugu pitta, meaning small bird.

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.

#13153c
Original
#001b3d
Protanopia
#00183b
Deuteranopia
#001e26
Tritanopia
#171717
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
17.50:1
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
1.20:1

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