#420B2A

Closest named color: Dark Plum (#3F012C). oklch(26.2% 0.09 350.7), rgb(66, 11, 42).

Aa

White text reads best on this color (15.99:1).

About this color

#420B2A is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.090 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.023 away. White text reads best on it, at 15.99:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.090)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.31:1
White text15.99:1

Values

HEX#420B2A
RGBrgb(66, 11, 42)
HSLhsl(326, 71%, 15%)
OKLCHoklch(26.2% 0.09 350.7)

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 #420B2A 15.99:1 AAA Lc -105.0 Preferred for body text
Black text on #420B2A 1.31:1 Fails Lc 0.0 Not readable
#420B2A text on white 15.99:1 AAA Lc 102.3 Preferred for body text
#420B2A 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

    #FEF2F7

    oklch(97.2% 0.014 350.1)

  2. Step 100

    100

    #FBE2EC

    oklch(93.6% 0.03 351.5)

  3. Step 200

    200

    #F9CADE

    oklch(88.5% 0.059 350.9)

  4. Step 300

    300

    #F6A4C9

    oklch(80.9% 0.107 351.1)

  5. Step 400

    400

    #EC6EAE

    oklch(70.7% 0.17 350.6)

  6. Step 500

    500

    #E23C9A

    oklch(63% 0.218 350.6)

  7. Step 600

    600

    #CC0084

    oklch(55.6% 0.231 350.8)

  8. Step 700

    700

    #AC006F

    oklch(49% 0.204 350.6)

  9. Step 800

    800

    #8F005B

    oklch(42.8% 0.178 350.9)

  10. Step 900

    900

    #74114B

    oklch(37.8% 0.142 350.8)

  11. Step 950

    950 (this color)

    #420B2A

    oklch(26.2% 0.09 350.7)

Export this scale for Tailwind in the Tailwind colors tool

#420B2A 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)#141B2B0.101
Deuteranopia (no green cones)#2425290.089
Tritanopia (no blue cones)#4807190.034
Achromatopsia (no color)#2222220.091

Harmonies

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

Complementary

The opposite hue (180°).

  • #420B2A

    #420B2A

    oklch(26.2% 0.09 350.7)

  • #002C21

    #002C21

    oklch(26.1% 0.051 171.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420B2A

    #420B2A

    oklch(26.2% 0.09 350.7)

  • #37113E

    #37113E

    oklch(26.1% 0.09 321.1)

  • #470A10

    #470A10

    oklch(26.3% 0.09 21.2)

Open the analogous palette in the generator

Split complementary

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

  • #420B2A

    #420B2A

    oklch(26.2% 0.09 350.7)

  • #052E00

    #052E00

    oklch(26.3% 0.086 140.8)

  • #002B2D

    #002B2D

    oklch(26.3% 0.045 199.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420B2A

    #420B2A

    oklch(26.2% 0.09 350.7)

  • #262700

    #262700

    oklch(26.3% 0.058 111.2)

  • #002939

    #002939

    oklch(26.3% 0.052 229.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420B2A

    #420B2A

    oklch(26.2% 0.09 350.7)

  • #322100

    #322100

    oklch(26.2% 0.054 80.3)

  • #002C21

    #002C21

    oklch(26.1% 0.051 171.3)

  • #07214F

    #07214F

    oklch(26.1% 0.091 260.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420B2A, closest first.

Similar named colors

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

Use #420B2A 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.