#281F0B

Closest named color: Dark Brown (#341C02). oklch(24.5% 0.035 85.4), rgb(40, 31, 11).

Aa

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

About this color

#281F0B is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.035 and its hue 85°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.026 away. White text reads best on it, at 16.26:1.

Hue familyBrowns
Lightnessvery dark (24%)
Chromamuted (0.035)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.29:1
White text16.26:1

Values

HEX#281F0B
RGBrgb(40, 31, 11)
HSLhsl(41, 57%, 10%)
OKLCHoklch(24.5% 0.035 85.4)

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 #281F0B 16.26:1 AAA Lc -105.7 Preferred for body text
Black text on #281F0B 1.29:1 Fails Lc 0.0 Not readable
#281F0B text on white 16.26:1 AAA Lc 103.2 Preferred for body text
#281F0B 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

    #F7F5F1

    oklch(97.1% 0.006 84.6)

  2. Step 100

    100

    #EDE9E1

    oklch(93.5% 0.012 84.6)

  3. Step 200

    200

    #E0D8C8

    oklch(88.4% 0.023 84.6)

  4. Step 300

    300

    #CDBFA2

    oklch(80.9% 0.042 85.3)

  5. Step 400

    400

    #B49E70

    oklch(70.7% 0.067 85.2)

  6. Step 500

    500

    #A18649

    oklch(63.2% 0.086 86)

  7. Step 600

    600

    #8C6F2A

    oklch(55.7% 0.094 85.8)

  8. Step 700

    700

    #775C1D

    oklch(49% 0.086 84.8)

  9. Step 800

    800

    #614C1A

    oklch(42.8% 0.072 85.8)

  10. Step 900

    900

    #4F3F1C

    oklch(37.6% 0.056 84.9)

  11. Step 950

    950 (this color)

    #281F0B

    oklch(24.5% 0.035 85.4)

Export this scale for Tailwind in the Tailwind colors tool

#281F0B 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)#231F090.011
Deuteranopia (no green cones)#25210C0.008
Tritanopia (no blue cones)#2C1C1A0.031
Achromatopsia (no color)#2020200.036

Harmonies

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

Complementary

The opposite hue (180°).

  • #281F0B

    #281F0B

    oklch(24.5% 0.035 85.4)

  • #182031

    #182031

    oklch(24.4% 0.035 264.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281F0B

    #281F0B

    oklch(24.5% 0.035 85.4)

  • #2D1C0F

    #2D1C0F

    oklch(24.5% 0.035 57.6)

  • #20220E

    #20220E

    oklch(24.4% 0.034 113.6)

Open the analogous palette in the generator

Split complementary

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

  • #281F0B

    #281F0B

    oklch(24.5% 0.035 85.4)

  • #0E232F

    #0E232F

    oklch(24.5% 0.035 235.8)

  • #221D2F

    #221D2F

    oklch(24.5% 0.034 296.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281F0B

    #281F0B

    oklch(24.5% 0.035 85.4)

  • #072528

    #072528

    oklch(24.4% 0.035 204.5)

  • #291A2A

    #291A2A

    oklch(24.4% 0.037 324.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281F0B

    #281F0B

    oklch(24.5% 0.035 85.4)

  • #0B261F

    #0B261F

    oklch(24.5% 0.036 173.6)

  • #182031

    #182031

    oklch(24.4% 0.035 264.6)

  • #2E1921

    #2E1921

    oklch(24.5% 0.036 355.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281F0B, closest first.

Similar named colors

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

Use #281F0B 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.