#420B2C

Closest named color: Dark Plum (#3F012C). oklch(26.3% 0.091 348.5), rgb(66, 11, 44).

Aa

White text reads best on this color (15.95:1).

About this color

#420B2C is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.091 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.021 away. White text reads best on it, at 15.95:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.091)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.31:1
White text15.95:1

Values

HEX#420B2C
RGBrgb(66, 11, 44)
HSLhsl(324, 71%, 15%)
OKLCHoklch(26.3% 0.091 348.5)

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 #420B2C 15.95:1 AAA Lc -105.0 Preferred for body text
Black text on #420B2C 1.31:1 Fails Lc 0.0 Not readable
#420B2C text on white 15.95:1 AAA Lc 102.3 Preferred for body text
#420B2C 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

    #FBE2ED

    oklch(93.6% 0.031 349.3)

  3. Step 200

    200

    #F9CAE0

    oklch(88.6% 0.06 348.6)

  4. Step 300

    300

    #F5A4CC

    oklch(80.9% 0.107 348.7)

  5. Step 400

    400

    #EC6DB2

    oklch(70.7% 0.174 348.7)

  6. Step 500

    500

    #E23B9F

    oklch(63.1% 0.222 348.7)

  7. Step 600

    600

    #CB008A

    oklch(55.7% 0.234 348.4)

  8. Step 700

    700

    #AB0074

    oklch(49% 0.206 348.3)

  9. Step 800

    800

    #8E005F

    oklch(42.8% 0.179 348.6)

  10. Step 900

    900

    #73104E

    oklch(37.7% 0.144 348.4)

  11. Step 950

    950 (this color)

    #420B2C

    oklch(26.3% 0.091 348.5)

Export this scale for Tailwind in the Tailwind colors tool

#420B2C 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)#131C2D0.102
Deuteranopia (no green cones)#23252B0.090
Tritanopia (no blue cones)#47081A0.035
Achromatopsia (no color)#2222220.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #420B2C

    #420B2C

    oklch(26.3% 0.091 348.5)

  • #002D20

    #002D20

    oklch(26.4% 0.053 168.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420B2C

    #420B2C

    oklch(26.3% 0.091 348.5)

  • #361240

    #361240

    oklch(26.3% 0.09 318.3)

  • #470913

    #470913

    oklch(26.2% 0.091 17.9)

Open the analogous palette in the generator

Split complementary

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

  • #420B2C

    #420B2C

    oklch(26.3% 0.091 348.5)

  • #0C2D00

    #0C2D00

    oklch(26.2% 0.081 138.3)

  • #002B2D

    #002B2D

    oklch(26.3% 0.045 199.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420B2C

    #420B2C

    oklch(26.3% 0.091 348.5)

  • #272700

    #272700

    oklch(26.4% 0.058 109.8)

  • #002938

    #002938

    oklch(26.2% 0.051 228.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420B2C

    #420B2C

    oklch(26.3% 0.091 348.5)

  • #332100

    #332100

    oklch(26.4% 0.055 78.7)

  • #002D20

    #002D20

    oklch(26.4% 0.053 168.2)

  • #032250

    #032250

    oklch(26.2% 0.092 258.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420B2C, closest first.

Similar named colors

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

Use #420B2C 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.