#400B22

Closest named color: Dark Plum (#3F012C). oklch(25.5% 0.084 358.7), rgb(64, 11, 34).

Aa

White text reads best on this color (16.29:1).

About this color

#400B22 is a dark, moderately saturated red. In OKLCH its lightness is 25%, 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 0.031 away. White text reads best on it, at 16.29:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.084)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.28:1
White text16.29:1

Values

HEX#400B22
RGBrgb(64, 11, 34)
HSLhsl(334, 71%, 15%)
OKLCHoklch(25.5% 0.084 358.7)

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 #400B22 16.29:1 AAA Lc -105.3 Preferred for body text
Black text on #400B22 1.28:1 Fails Lc 0.0 Not readable
#400B22 text on white 16.29:1 AAA Lc 102.6 Preferred for body text
#400B22 text on black 1.28:1 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

    #F6A6BF

    oklch(81% 0.099 359.2)

  5. Step 400

    400

    #ED719F

    oklch(70.7% 0.16 358.6)

  6. Step 500

    500

    #E34387

    oklch(63.1% 0.203 358.9)

  7. Step 600

    600

    #CE0D71

    oklch(55.6% 0.221 358.7)

  8. Step 700

    700

    #B0005F

    oklch(49.1% 0.2 358.6)

  9. Step 800

    800

    #90064D

    oklch(42.6% 0.17 358.8)

  10. Step 900

    900

    #741640

    oklch(37.7% 0.132 359)

  11. Step 950

    950 (this color)

    #400B22

    oklch(25.5% 0.084 358.7)

Export this scale for Tailwind in the Tailwind colors tool

#400B22 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)#161A230.094
Deuteranopia (no green cones)#2424210.086
Tritanopia (no blue cones)#4605150.026
Achromatopsia (no color)#2020200.085

Harmonies

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

Complementary

The opposite hue (180°).

  • #400B22

    #400B22

    oklch(25.5% 0.084 358.7)

  • #002A23

    #002A23

    oklch(25.5% 0.047 178.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #400B22

    #400B22

    oklch(25.5% 0.084 358.7)

  • #371036

    #371036

    oklch(25.5% 0.083 328.7)

  • #430C08

    #430C08

    oklch(25.5% 0.085 28.8)

Open the analogous palette in the generator

Split complementary

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

  • #400B22

    #400B22

    oklch(25.5% 0.084 358.7)

  • #002C0D

    #002C0D

    oklch(25.6% 0.073 148.8)

  • #00282E

    #00282E

    oklch(25.4% 0.044 209.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #400B22

    #400B22

    oklch(25.5% 0.084 358.7)

  • #202600

    #202600

    oklch(25.4% 0.059 118.3)

  • #00263B

    #00263B

    oklch(25.5% 0.057 238.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #400B22

    #400B22

    oklch(25.5% 0.084 358.7)

  • #2D2100

    #2D2100

    oklch(25.5% 0.052 88.6)

  • #002A23

    #002A23

    oklch(25.5% 0.047 178.5)

  • #121E4A

    #121E4A

    oklch(25.4% 0.083 268.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #400B22, closest first.

Similar named colors

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

Use #400B22 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.