#400C20

Closest named color: Dark Plum (#3F012C). oklch(25.5% 0.082 1.6), rgb(64, 12, 32).

Aa

White text reads best on this color (16.26:1).

About this color

#400C20 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.082 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.035 away. White text reads best on it, at 16.26:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.082)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.29:1
White text16.26:1

Values

HEX#400C20
RGBrgb(64, 12, 32)
HSLhsl(337, 68%, 15%)
OKLCHoklch(25.5% 0.082 1.6)

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 #400C20 16.26:1 AAA Lc -105.3 Preferred for body text
Black text on #400C20 1.29:1 Fails Lc 0.0 Not readable
#400C20 text on white 16.26:1 AAA Lc 102.6 Preferred for body text
#400C20 text on black 1.29:1 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

    #FBE3E8

    oklch(93.7% 0.027 3.4)

  3. Step 200

    200

    #F9CBD6

    oklch(88.5% 0.054 2.2)

  4. Step 300

    300

    #F6A6BC

    oklch(80.9% 0.098 1.6)

  5. Step 400

    400

    #ED739A

    oklch(70.8% 0.155 1.6)

  6. Step 500

    500

    #E34581

    oklch(63.1% 0.199 1.6)

  7. Step 600

    600

    #CE166A

    oklch(55.7% 0.215 1.8)

  8. Step 700

    700

    #B10059

    oklch(49.1% 0.199 1.5)

  9. Step 800

    800

    #900B49

    oklch(42.7% 0.166 1.3)

  10. Step 900

    900

    #74173D

    oklch(37.7% 0.13 1.3)

  11. Step 950

    950 (this color)

    #400C20

    oklch(25.5% 0.082 1.6)

Export this scale for Tailwind in the Tailwind colors tool

#400C20 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)#171A200.092
Deuteranopia (no green cones)#25241F0.083
Tritanopia (no blue cones)#4605140.024
Achromatopsia (no color)#2020200.083

Harmonies

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

Complementary

The opposite hue (180°).

  • #400C20

    #400C20

    oklch(25.5% 0.082 1.6)

  • #002A24

    #002A24

    oklch(25.5% 0.046 180.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #400C20

    #400C20

    oklch(25.5% 0.082 1.6)

  • #381034

    #381034

    oklch(25.5% 0.082 331.8)

  • #420E06

    #420E06

    oklch(25.5% 0.082 32)

Open the analogous palette in the generator

Split complementary

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

  • #400C20

    #400C20

    oklch(25.5% 0.082 1.6)

  • #002C11

    #002C11

    oklch(25.7% 0.068 151.5)

  • #00282F

    #00282F

    oklch(25.4% 0.044 212.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #400C20

    #400C20

    oklch(25.5% 0.082 1.6)

  • #1E2700

    #1E2700

    oklch(25.5% 0.062 121.9)

  • #00253D

    #00253D

    oklch(25.4% 0.061 242.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #400C20

    #400C20

    oklch(25.5% 0.082 1.6)

  • #2C2200

    #2C2200

    oklch(25.6% 0.052 92.5)

  • #002A24

    #002A24

    oklch(25.5% 0.046 180.7)

  • #161E49

    #161E49

    oklch(25.6% 0.08 271.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #400C20, closest first.

Similar named colors

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

Use #400C20 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.