#420B29

Closest named color: Dark Plum (#3F012C). oklch(26.2% 0.089 351.8), rgb(66, 11, 41).

Aa

White text reads best on this color (16.01:1).

About this color

#420B29 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.089 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.024 away. White text reads best on it, at 16.01:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.089)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.31:1
White text16.01:1

Values

HEX#420B29
RGBrgb(66, 11, 41)
HSLhsl(327, 71%, 15%)
OKLCHoklch(26.2% 0.089 351.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #420B29 16.01:1 AAA Lc -105.0 Preferred for body text
Black text on #420B29 1.31:1 Fails Lc 0.0 Not readable
#420B29 text on white 16.01:1 AAA Lc 102.3 Preferred for body text
#420B29 text on black 1.31:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FEF2F6

    oklch(97.2% 0.014 355)

  2. Step 100

    100

    #FBE2EC

    oklch(93.6% 0.03 351.5)

  3. Step 200

    200

    #F9CADD

    oklch(88.5% 0.058 352.2)

  4. Step 300

    300

    #F6A4C8

    oklch(80.9% 0.106 351.8)

  5. Step 400

    400

    #ED6EAC

    oklch(70.7% 0.17 351.8)

  6. Step 500

    500

    #E33D97

    oklch(63.1% 0.216 352)

  7. Step 600

    600

    #CC0082

    oklch(55.6% 0.231 351.6)

  8. Step 700

    700

    #AD006D

    oklch(49.1% 0.204 351.8)

  9. Step 800

    800

    #8F0059

    oklch(42.7% 0.177 351.9)

  10. Step 900

    900

    #74114A

    oklch(37.7% 0.141 351.5)

  11. Step 950

    950 (this color)

    #420B29

    oklch(26.2% 0.089 351.8)

Export this scale for Tailwind in the Tailwind colors tool

#420B29 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#151B2A0.099
Deuteranopia (no green cones)#2425280.089
Tritanopia (no blue cones)#4807180.033
Achromatopsia (no color)#2121210.091

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #420B29

    #420B29

    oklch(26.2% 0.089 351.8)

  • #002C21

    #002C21

    oklch(26.1% 0.051 171.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420B29

    #420B29

    oklch(26.2% 0.089 351.8)

  • #37113E

    #37113E

    oklch(26.1% 0.09 321.1)

  • #460A0F

    #460A0F

    oklch(26% 0.089 21.9)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #420B29

    #420B29

    oklch(26.2% 0.089 351.8)

  • #022E00

    #022E00

    oklch(26.2% 0.088 141.8)

  • #002B2D

    #002B2D

    oklch(26.3% 0.045 199.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420B29

    #420B29

    oklch(26.2% 0.089 351.8)

  • #252700

    #252700

    oklch(26.2% 0.058 112.7)

  • #00283A

    #00283A

    oklch(26.1% 0.054 233.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420B29

    #420B29

    oklch(26.2% 0.089 351.8)

  • #312100

    #312100

    oklch(26.1% 0.054 81.9)

  • #002C21

    #002C21

    oklch(26.1% 0.051 171.3)

  • #09214F

    #09214F

    oklch(26.1% 0.09 261.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420B29, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #420B29 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.