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Dyed Indygo

#4a1b8f
Notes

Dyed Indygo (#4A1B8F) is a deep indigo with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (264°, 68%, 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4a1b8f
RGB
rgb(74, 27, 143)
HSL
hsl(264, 68%, 33%)
HWB
hwb(264 11% 44%)
OKLCH
oklch(37.0% 0.174 294.5)
P3
color(display-p3 0.2677 0.1170 0.5391)
HSV
hsv(264, 81%, 56%)
LAB
lab(24.39% 46.57 -55.01)
LCH
lch(24.39% 72.08 310.25)
CMYK
cmyk(48%, 81%, 0%, 44%)

Etymology

Dyed
adjective

Old English dēag, dye — past-participle of dye. As a color modifier, dyed implies a hue produced by deliberate textile-coloration in multi-bath fermentation-or-mordant-fixation processes, distinguished from natural-or-incidental color. Sits at the deep-and-pigmented end of the grid, parallel to stained and pigmented in usage.

Indygo
noun

Polish for indigo (Indigofera tinctoria) — adopted into Polish color terminology during the 18th-century Polish-Lithuanian Commonwealth's textile-trade contact with Ottoman indigo merchants. Indygo color refers to a freshly indygo-dyed Polish-folk linen: a saturated, slightly cool deep blue-violet with the matte finish of multi-bath fermentation indigo on hand-spun linen. Cooler than English indigo and warmer than Russian fioletovyy.

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.

#4a1b8f
Original
#003b92
Protanopia
#00388d
Deuteranopia
#353c55
Tritanopia
#2d2d2d
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
11.38:1
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
1.84:1

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
##4A1B8F
Display P3
Display P3
color(display-p3 0.2677 0.1170 0.5391)
P3 has subtle headroomOKLCH chroma 0.174

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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