#281B19

Closest named color: Jet (#212529). oklch(23.8% 0.021 28.7), rgb(40, 27, 25).

Aa

White text reads best on this color (16.65:1).

About this color

#281B19 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 16.65:1.

Hue familyNeutrals
Lightnessvery dark (24%)
Chromaclose to neutral grey (0.021)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.26:1
White text16.65:1

Values

HEX#281B19
RGBrgb(40, 27, 25)
HSLhsl(8, 23%, 13%)
OKLCHoklch(23.8% 0.021 28.7)

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 #281B19 16.65:1 AAA Lc -106.0 Preferred for body text
Black text on #281B19 1.26:1 Fails Lc 0.0 Not readable
#281B19 text on white 16.65:1 AAA Lc 103.6 Preferred for body text
#281B19 text on black 1.26:1 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

    #F8F5F4

    oklch(97.2% 0.003 39.5)

  2. Step 100

    100

    #EFE8E7

    oklch(93.6% 0.008 27.2)

  3. Step 200

    200

    #E2D6D4

    oklch(88.5% 0.014 28.9)

  4. Step 300

    300

    #D0BBB7

    oklch(80.9% 0.025 30.5)

  5. Step 400

    400

    #B89892

    oklch(70.7% 0.039 30.5)

  6. Step 500

    500

    #A67E78

    oklch(63% 0.051 28.3)

  7. Step 600

    600

    #916761

    oklch(55.5% 0.055 28.1)

  8. Step 700

    700

    #7C5650

    oklch(49.2% 0.052 29.1)

  9. Step 800

    800

    #654642

    oklch(42.7% 0.044 27.3)

  10. Step 900

    900

    #523B37

    oklch(37.7% 0.034 29.9)

  11. Step 950

    950 (this color)

    #281B19

    oklch(23.8% 0.021 28.7)

Export this scale for Tailwind in the Tailwind colors tool

#281B19 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)#1E1D190.021
Deuteranopia (no green cones)#211F190.019
Tritanopia (no blue cones)#2B191A0.010
Achromatopsia (no color)#1E1E1E0.021

Harmonies

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

Complementary

The opposite hue (180°).

  • #281B19

    #281B19

    oklch(23.8% 0.021 28.7)

  • #122224

    #122224

    oklch(23.9% 0.022 205.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281B19

    #281B19

    oklch(23.8% 0.021 28.7)

  • #271B1E

    #271B1E

    oklch(23.8% 0.02 2.1)

  • #261C15

    #261C15

    oklch(23.6% 0.02 56.5)

Open the analogous palette in the generator

Split complementary

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

  • #281B19

    #281B19

    oklch(23.8% 0.021 28.7)

  • #13221F

    #13221F

    oklch(23.7% 0.021 180.4)

  • #152028

    #152028

    oklch(23.7% 0.022 240.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281B19

    #281B19

    oklch(23.8% 0.021 28.7)

  • #182219

    #182219

    oklch(23.9% 0.022 147.5)

  • #1A1E29

    #1A1E29

    oklch(23.6% 0.022 269.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281B19

    #281B19

    oklch(23.8% 0.021 28.7)

  • #1E2015

    #1E2015

    oklch(23.8% 0.02 116.3)

  • #122224

    #122224

    oklch(23.9% 0.022 205.8)

  • #201D28

    #201D28

    oklch(23.9% 0.021 297.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281B19, closest first.

Similar named colors

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

Use #281B19 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.