#420D23

Closest named color: Dark Plum (#3F012C). oklch(26.1% 0.084 359.5), rgb(66, 13, 35).

Aa

White text reads best on this color (15.98:1).

About this color

#420D23 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.084 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.034 away. White text reads best on it, at 15.98:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.084)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.31:1
White text15.98:1

Values

HEX#420D23
RGBrgb(66, 13, 35)
HSLhsl(335, 67%, 15%)
OKLCHoklch(26.1% 0.084 359.5)

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 #420D23 15.98:1 AAA Lc -105.0 Preferred for body text
Black text on #420D23 1.31:1 Fails Lc 0.0 Not readable
#420D23 text on white 15.98:1 AAA Lc 102.3 Preferred for body text
#420D23 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

    #FEF2F5

    oklch(97.1% 0.013 0.3)

  2. Step 100

    100

    #FBE2E9

    oklch(93.5% 0.029 358.8)

  3. Step 200

    200

    #F9CBD8

    oklch(88.6% 0.054 359.5)

  4. Step 300

    300

    #F6A6BE

    oklch(80.9% 0.099 0)

  5. Step 400

    400

    #ED719D

    oklch(70.6% 0.159 359.6)

  6. Step 500

    500

    #E34386

    oklch(63.1% 0.203 359.3)

  7. Step 600

    600

    #CE0E6F

    oklch(55.5% 0.22 359.5)

  8. Step 700

    700

    #B0005D

    oklch(49.1% 0.199 359.5)

  9. Step 800

    800

    #90064C

    oklch(42.6% 0.169 359.4)

  10. Step 900

    900

    #74163F

    oklch(37.7% 0.132 359.7)

  11. Step 950

    950 (this color)

    #420D23

    oklch(26.1% 0.084 359.5)

Export this scale for Tailwind in the Tailwind colors tool

#420D23 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)#181B240.093
Deuteranopia (no green cones)#2625220.084
Tritanopia (no blue cones)#4806160.025
Achromatopsia (no color)#2222220.084

Harmonies

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

Complementary

The opposite hue (180°).

  • #420D23

    #420D23

    oklch(26.1% 0.084 359.5)

  • #002C25

    #002C25

    oklch(26.2% 0.048 179)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420D23

    #420D23

    oklch(26.1% 0.084 359.5)

  • #391137

    #391137

    oklch(26% 0.084 329.7)

  • #440E09

    #440E09

    oklch(26% 0.083 29.3)

Open the analogous palette in the generator

Split complementary

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

  • #420D23

    #420D23

    oklch(26.1% 0.084 359.5)

  • #002D0F

    #002D0F

    oklch(26% 0.072 149.7)

  • #002A30

    #002A30

    oklch(26.1% 0.045 209.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420D23

    #420D23

    oklch(26.1% 0.084 359.5)

  • #212800

    #212800

    oklch(26.1% 0.061 119.3)

  • #00273E

    #00273E

    oklch(26% 0.06 240.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420D23

    #420D23

    oklch(26.1% 0.084 359.5)

  • #2F2300

    #2F2300

    oklch(26.3% 0.054 89.5)

  • #002C25

    #002C25

    oklch(26.2% 0.048 179)

  • #15204C

    #15204C

    oklch(26.2% 0.083 269.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420D23, closest first.

Similar named colors

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

Use #420D23 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.