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Earthyindigodeep

Warm Twilight Wave

#1f1028
Notes

Warm Twilight Wave (#1F1028) is a deep indigo 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 (278°, 43%, 11%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1f1028
RGB
rgb(31, 16, 40)
HSL
hsl(278, 43%, 11%)
HWB
hwb(278 6% 84%)
OKLCH
oklch(20.7% 0.050 311.6)
HSV
hsv(278, 60%, 16%)
LAB
lab(7.36% 13.53 -13.39)
LCH
lch(7.36% 19.04 315.28)
CMYK
cmyk(22%, 60%, 0%, 84%)

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.

#1f1028
Original
#0b1529
Protanopia
#0f1727
Deuteranopia
#1e141a
Tritanopia
#151515
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
18.06:1
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
1.16:1

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