#420D28

Closest named color: Dark Plum (#3F012C). oklch(26.3% 0.086 353.5), rgb(66, 13, 40).

Aa

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

About this color

#420D28 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.086 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.028 away. White text reads best on it, at 15.91:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.086)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.31:1
White text15.91:1

Values

HEX#420D28
RGBrgb(66, 13, 40)
HSLhsl(329, 67%, 15%)
OKLCHoklch(26.3% 0.086 353.5)

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 #420D28 15.91:1 AAA Lc -105.0 Preferred for body text
Black text on #420D28 1.31:1 Fails Lc 0.0 Not readable
#420D28 text on white 15.91:1 AAA Lc 102.3 Preferred for body text
#420D28 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #FBE2EB

    oklch(93.6% 0.03 353.9)

  3. Step 200

    200

    #F8CADC

    oklch(88.4% 0.057 352.9)

  4. Step 300

    300

    #F5A5C6

    oklch(80.9% 0.103 353.2)

  5. Step 400

    400

    #EC70A8

    oklch(70.7% 0.164 353.8)

  6. Step 500

    500

    #E14193

    oklch(63% 0.209 353.4)

  7. Step 600

    600

    #CC077D

    oklch(55.5% 0.226 353.5)

  8. Step 700

    700

    #AE0069

    oklch(49.1% 0.203 353.8)

  9. Step 800

    800

    #8F0256

    oklch(42.6% 0.175 353.5)

  10. Step 900

    900

    #731447

    oklch(37.6% 0.136 353.4)

  11. Step 950

    950 (this color)

    #420D28

    oklch(26.3% 0.086 353.5)

Export this scale for Tailwind in the Tailwind colors tool

#420D28 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)#161C290.097
Deuteranopia (no green cones)#2526270.087
Tritanopia (no blue cones)#4809190.030
Achromatopsia (no color)#2222220.087

Harmonies

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

Complementary

The opposite hue (180°).

  • #420D28

    #420D28

    oklch(26.3% 0.086 353.5)

  • #002D23

    #002D23

    oklch(26.5% 0.051 173.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420D28

    #420D28

    oklch(26.3% 0.086 353.5)

  • #38123C

    #38123C

    oklch(26.3% 0.087 323.8)

  • #460D0F

    #460D0F

    oklch(26.4% 0.086 23.6)

Open the analogous palette in the generator

Split complementary

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

  • #420D28

    #420D28

    oklch(26.3% 0.086 353.5)

  • #002F03

    #002F03

    oklch(26.5% 0.087 143.7)

  • #002B2F

    #002B2F

    oklch(26.4% 0.045 204.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420D28

    #420D28

    oklch(26.3% 0.086 353.5)

  • #252800

    #252800

    oklch(26.5% 0.06 114)

  • #00293B

    #00293B

    oklch(26.4% 0.055 232.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420D28

    #420D28

    oklch(26.3% 0.086 353.5)

  • #312200

    #312200

    oklch(26.3% 0.054 84.1)

  • #002D23

    #002D23

    oklch(26.5% 0.051 173.4)

  • #0E214E

    #0E214E

    oklch(26.3% 0.087 264.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420D28, closest first.

Similar named colors

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

Use #420D28 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.