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Burnt Logwood

#402a8e
Notes

Burnt Logwood (#402A8E) is a true 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 (253°, 54%, 36%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#402a8e
RGB
rgb(64, 42, 142)
HSL
hsl(253, 54%, 36%)
HWB
hwb(253 16% 44%)
OKLCH
oklch(37.7% 0.156 286.4)
HSV
hsv(253, 70%, 56%)
LAB
lab(25.86% 37.08 -52.04)
LCH
lch(25.86% 63.90 305.47)
CMYK
cmyk(55%, 70%, 0%, 44%)

Etymology

Burnt
adjective

The past participle of burn used as a color modifier — most familiar in burnt sienna and burnt umber, the pigments produced by firing raw earth pigments to deepen and warm them. Implies a color that has been reduced and concentrated by heat, with the slight red-orange shift that high-temperature oxidation introduces. Sits in the dark-and-warm corner of the engine's grid.

Logwood
noun

Central American Haematoxylum campechianum — a tropical legume tree native to Yucatán and Belize, whose heartwood was the colonial-era principal source of haematein and hematoxylin dyes (also used for histology staining). Logwood color refers to a freshly logwood-mordant-dyed wool: a saturated, slightly cool deep blue-violet with the matte finish of haematein-on-iron-mordanted woolen fiber. Also the campeche of European calligraphy ink.

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.

#402a8e
Original
#004091
Protanopia
#003a8c
Deuteranopia
#204458
Tritanopia
#363636
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
10.83:1
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
1.94:1

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