#420F23

Closest named color: Dark Plum (#3F012C). oklch(26.4% 0.081 0.3), rgb(66, 15, 35).

Aa

White text reads best on this color (15.85:1).

About this color

#420F23 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.081 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.038 away. White text reads best on it, at 15.85:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.081)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.32:1
White text15.85:1

Values

HEX#420F23
RGBrgb(66, 15, 35)
HSLhsl(336, 63%, 16%)
OKLCHoklch(26.4% 0.081 0.3)

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 #420F23 15.85:1 AAA Lc -105.0 Preferred for body text
Black text on #420F23 1.32:1 Fails Lc 0.0 Not readable
#420F23 text on white 15.85:1 AAA Lc 102.3 Preferred for body text
#420F23 text on black 1.32:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CBD7

    oklch(88.4% 0.053 0.4)

  4. Step 300

    300

    #F5A7BE

    oklch(81% 0.096 0.2)

  5. Step 400

    400

    #EB739C

    oklch(70.6% 0.154 0.2)

  6. Step 500

    500

    #E14784

    oklch(63.1% 0.196 0.2)

  7. Step 600

    600

    #CC1A6D

    oklch(55.6% 0.213 0.5)

  8. Step 700

    700

    #B0025B

    oklch(49.1% 0.198 0.5)

  9. Step 800

    800

    #8F0E4B

    oklch(42.7% 0.164 0.2)

  10. Step 900

    900

    #73193E

    oklch(37.7% 0.127 0.7)

  11. Step 950

    950 (this color)

    #420F23

    oklch(26.4% 0.081 0.3)

Export this scale for Tailwind in the Tailwind colors tool

#420F23 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)#191C240.091
Deuteranopia (no green cones)#2726220.082
Tritanopia (no blue cones)#4809170.024
Achromatopsia (no color)#2222220.082

Harmonies

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

Complementary

The opposite hue (180°).

  • #420F23

    #420F23

    oklch(26.4% 0.081 0.3)

  • #002C26

    #002C26

    oklch(26.3% 0.047 181.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420F23

    #420F23

    oklch(26.4% 0.081 0.3)

  • #3A1337

    #3A1337

    oklch(26.5% 0.081 330.7)

  • #44100A

    #44100A

    oklch(26.3% 0.081 30)

Open the analogous palette in the generator

Split complementary

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

  • #420F23

    #420F23

    oklch(26.4% 0.081 0.3)

  • #002E10

    #002E10

    oklch(26.3% 0.072 150)

  • #002B31

    #002B31

    oklch(26.5% 0.046 209.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420F23

    #420F23

    oklch(26.4% 0.081 0.3)

  • #212900

    #212900

    oklch(26.4% 0.063 120.3)

  • #00283F

    #00283F

    oklch(26.4% 0.06 239.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420F23

    #420F23

    oklch(26.4% 0.081 0.3)

  • #2F2300

    #2F2300

    oklch(26.3% 0.054 89.5)

  • #002C26

    #002C26

    oklch(26.3% 0.047 181.1)

  • #16204C

    #16204C

    oklch(26.3% 0.082 270.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420F23, closest first.

Similar named colors

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

Use #420F23 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.