#420C2B

Closest named color: Dark Plum (#3F012C). oklch(26.4% 0.089 349.8), rgb(66, 12, 43).

Aa

White text reads best on this color (15.91:1).

About this color

#420C2B is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.089 and its hue 350°. 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 15.91:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.089)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.31:1
White text15.91:1

Values

HEX#420C2B
RGBrgb(66, 12, 43)
HSLhsl(326, 69%, 15%)
OKLCHoklch(26.4% 0.089 349.8)

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 #420C2B 15.91:1 AAA Lc -105.0 Preferred for body text
Black text on #420C2B 1.31:1 Fails Lc 0.0 Not readable
#420C2B text on white 15.91:1 AAA Lc 102.2 Preferred for body text
#420C2B 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

    #FDF2F7

    oklch(97.1% 0.013 347.9)

  2. Step 100

    100

    #FBE2ED

    oklch(93.6% 0.031 349.3)

  3. Step 200

    200

    #F8CADF

    oklch(88.5% 0.058 349.2)

  4. Step 300

    300

    #F5A4CA

    oklch(80.9% 0.106 350.1)

  5. Step 400

    400

    #EB6FB0

    oklch(70.7% 0.169 349.6)

  6. Step 500

    500

    #E13E9C

    oklch(63.1% 0.216 349.8)

  7. Step 600

    600

    #CB0086

    oklch(55.5% 0.232 349.9)

  8. Step 700

    700

    #AC0071

    oklch(49.1% 0.205 349.8)

  9. Step 800

    800

    #8E005D

    oklch(42.7% 0.178 349.6)

  10. Step 900

    900

    #73124C

    oklch(37.7% 0.141 349.9)

  11. Step 950

    950 (this color)

    #420C2B

    oklch(26.4% 0.089 349.8)

Export this scale for Tailwind in the Tailwind colors tool

#420C2B 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)#141C2C0.100
Deuteranopia (no green cones)#24252A0.087
Tritanopia (no blue cones)#47091A0.033
Achromatopsia (no color)#2222220.090

Harmonies

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

Complementary

The opposite hue (180°).

  • #420C2B

    #420C2B

    oklch(26.4% 0.089 349.8)

  • #002D21

    #002D21

    oklch(26.4% 0.052 169.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420C2B

    #420C2B

    oklch(26.4% 0.089 349.8)

  • #37123F

    #37123F

    oklch(26.3% 0.089 320.1)

  • #470B12

    #470B12

    oklch(26.4% 0.089 19.8)

Open the analogous palette in the generator

Split complementary

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

  • #420C2B

    #420C2B

    oklch(26.4% 0.089 349.8)

  • #082E00

    #082E00

    oklch(26.4% 0.085 139.8)

  • #002B2D

    #002B2D

    oklch(26.3% 0.045 199.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420C2B

    #420C2B

    oklch(26.4% 0.089 349.8)

  • #272700

    #272700

    oklch(26.4% 0.058 109.8)

  • #002939

    #002939

    oklch(26.3% 0.052 229.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420C2B

    #420C2B

    oklch(26.4% 0.089 349.8)

  • #332100

    #332100

    oklch(26.4% 0.055 78.7)

  • #002D21

    #002D21

    oklch(26.4% 0.052 169.9)

  • #07224F

    #07224F

    oklch(26.3% 0.089 260.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420C2B, closest first.

Similar named colors

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

Use #420C2B 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.