#281F2A

Closest named color: Jet (#212529). oklch(25.5% 0.024 320.1), rgb(40, 31, 42).

Aa

White text reads best on this color (15.91:1).

About this color

#281F2A is a dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.024 away. White text reads best on it, at 15.91:1.

Hue familyNeutrals
Lightnessdark (25%)
Chromaclose to neutral grey (0.024)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.31:1
White text15.91:1

Values

HEX#281F2A
RGBrgb(40, 31, 42)
HSLhsl(289, 15%, 14%)
OKLCHoklch(25.5% 0.024 320.1)

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 #281F2A 15.91:1 AAA Lc -105.4 Preferred for body text
Black text on #281F2A 1.31:1 Fails Lc 0.0 Not readable
#281F2A text on white 15.91:1 AAA Lc 102.9 Preferred for body text
#281F2A text on black 1.31:1 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

    #F7F5F7

    oklch(97.2% 0.003 325.6)

  2. Step 100

    100

    #ECE8ED

    oklch(93.6% 0.008 319.4)

  3. Step 200

    200

    #DED6E0

    oklch(88.5% 0.016 319.4)

  4. Step 300

    300

    #C9BBCC

    oklch(80.9% 0.028 320.3)

  5. Step 400

    400

    #AE98B3

    oklch(70.8% 0.046 320)

  6. Step 500

    500

    #9A7EA0

    oklch(63.1% 0.06 320.3)

  7. Step 600

    600

    #84678B

    oklch(55.5% 0.064 319.7)

  8. Step 700

    700

    #705676

    oklch(49.2% 0.059 319.9)

  9. Step 800

    800

    #5B4660

    oklch(42.6% 0.05 319.8)

  10. Step 900

    900

    #4B3B4E

    oklch(37.7% 0.038 321)

  11. Step 950

    950 (this color)

    #281F2A

    oklch(25.5% 0.024 320.1)

Export this scale for Tailwind in the Tailwind colors tool

#281F2A 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)#1E212A0.019
Deuteranopia (no green cones)#20222A0.017
Tritanopia (no blue cones)#2820230.015
Achromatopsia (no color)#2222220.024

Harmonies

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

Complementary

The opposite hue (180°).

  • #281F2A

    #281F2A

    oklch(25.5% 0.024 320.1)

  • #1D261B

    #1D261B

    oklch(25.6% 0.024 140)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281F2A

    #281F2A

    oklch(25.5% 0.024 320.1)

  • #22212E

    #22212E

    oklch(25.5% 0.024 288.1)

  • #2C1E24

    #2C1E24

    oklch(25.5% 0.024 351.5)

Open the analogous palette in the generator

Split complementary

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

  • #281F2A

    #281F2A

    oklch(25.5% 0.024 320.1)

  • #232416

    #232416

    oklch(25.5% 0.025 111.5)

  • #172721

    #172721

    oklch(25.6% 0.024 168.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281F2A

    #281F2A

    oklch(25.5% 0.024 320.1)

  • #292215

    #292215

    oklch(25.6% 0.025 82.5)

  • #142627

    #142627

    oklch(25.4% 0.024 200.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281F2A

    #281F2A

    oklch(25.5% 0.024 320.1)

  • #2C1F18

    #2C1F18

    oklch(25.3% 0.024 49.5)

  • #1D261B

    #1D261B

    oklch(25.6% 0.024 140)

  • #16252C

    #16252C

    oklch(25.4% 0.024 228.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281F2A, closest first.

Similar named colors

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

Use #281F2A 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.