#281D1B

Closest named color: Jet (#212529). oklch(24.3% 0.018 30.2), rgb(40, 29, 27).

Aa

White text reads best on this color (16.38:1).

About this color

#281D1B is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.032 away. White text reads best on it, at 16.38:1.

Hue familyNeutrals
Lightnessvery dark (24%)
Chromaclose to neutral grey (0.018)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.28:1
White text16.38:1

Values

HEX#281D1B
RGBrgb(40, 29, 27)
HSLhsl(9, 19%, 13%)
OKLCHoklch(24.3% 0.018 30.2)

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 #281D1B 16.38:1 AAA Lc -105.8 Preferred for body text
Black text on #281D1B 1.28:1 Fails Lc 0.0 Not readable
#281D1B text on white 16.38:1 AAA Lc 103.3 Preferred for body text
#281D1B 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

    #F7F5F4

    oklch(97.1% 0.003 48.7)

  2. Step 100

    100

    #EEE8E7

    oklch(93.5% 0.007 28.8)

  3. Step 200

    200

    #E1D6D4

    oklch(88.4% 0.012 29.9)

  4. Step 300

    300

    #CEBCB9

    oklch(80.9% 0.021 28.9)

  5. Step 400

    400

    #B59994

    oklch(70.7% 0.034 29.9)

  6. Step 500

    500

    #A2807A

    oklch(63.1% 0.043 29.9)

  7. Step 600

    600

    #8D6963

    oklch(55.5% 0.048 29.4)

  8. Step 700

    700

    #785852

    oklch(49.2% 0.044 30.7)

  9. Step 800

    800

    #614843

    oklch(42.7% 0.035 31.4)

  10. Step 900

    900

    #503C39

    oklch(37.7% 0.029 28.3)

  11. Step 950

    950 (this color)

    #281D1B

    oklch(24.3% 0.018 30.2)

Export this scale for Tailwind in the Tailwind colors tool

#281D1B 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)#1F1E1B0.018
Deuteranopia (no green cones)#22201B0.015
Tritanopia (no blue cones)#2B1C1C0.008
Achromatopsia (no color)#2020200.018

Harmonies

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

Complementary

The opposite hue (180°).

  • #281D1B

    #281D1B

    oklch(24.3% 0.018 30.2)

  • #162225

    #162225

    oklch(24.2% 0.018 214.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281D1B

    #281D1B

    oklch(24.3% 0.018 30.2)

  • #271D20

    #271D20

    oklch(24.4% 0.016 358.5)

  • #271E18

    #271E18

    oklch(24.4% 0.018 55.4)

Open the analogous palette in the generator

Split complementary

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

  • #281D1B

    #281D1B

    oklch(24.3% 0.018 30.2)

  • #172320

    #172320

    oklch(24.4% 0.018 177.6)

  • #182128

    #182128

    oklch(24.2% 0.019 241.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281D1B

    #281D1B

    oklch(24.3% 0.018 30.2)

  • #1A231C

    #1A231C

    oklch(24.5% 0.018 151.6)

  • #1D2029

    #1D2029

    oklch(24.4% 0.018 270.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281D1B

    #281D1B

    oklch(24.3% 0.018 30.2)

  • #1F2118

    #1F2118

    oklch(24.2% 0.017 117.8)

  • #162225

    #162225

    oklch(24.2% 0.018 214.9)

  • #211E27

    #211E27

    oklch(24.2% 0.017 300.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281D1B, closest first.

Similar named colors

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

Use #281D1B 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.