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Brooding Madras

#423a7b
Notes

Brooding Madras (#423A7B) is a true 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 (247°, 36%, 35%) 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
#423a7b
RGB
rgb(66, 58, 123)
HSL
hsl(247, 36%, 35%)
HWB
hwb(247 23% 52%)
OKLCH
oklch(39.2% 0.106 286.0)
HSV
hsv(247, 53%, 48%)
LAB
lab(28.42% 21.41 -36.02)
LCH
lch(28.42% 41.90 300.73)
CMYK
cmyk(46%, 53%, 0%, 52%)

Etymology

Brooding
adjective

The adjectival use of brood in the sense of to dwell on — a gerund-as-modifier that describes mood more than reflectance. Used as a color word principally in art criticism since the late nineteenth century: brooding sky, brooding portrait. In the engine's adjective grid, brooding sits in the dark-and-quiet end where the hue is present but reads as withholding rather than presenting itself.

Madras
noun

Indian Coromandel Coast city (now Chennai) — once the British East India Company's premier indigo export depot, processing Bihar and Bengal Indigofera tinctoria before shipment to Europe. Madras color refers to a Madras-checked indigo-and-white cotton handloom: a saturated, slightly cool deep blue-violet with the matte finish of multi-bath fermentation indigo on hand-loomed Coromandel cotton.

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.

#423a7b
Original
#1d457d
Protanopia
#1b417a
Deuteranopia
#304854
Tritanopia
#404040
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
9.89:1
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
2.12:1

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