#281B01

Closest named color: Dark Brown (#341C02). oklch(23.2% 0.046 82.7), rgb(40, 27, 1).

Aa

White text reads best on this color (16.83:1).

About this color

#281B01 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.046 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.028 away. White text reads best on it, at 16.83:1.

Hue familyBrowns
Lightnessvery dark (23%)
Chromamuted (0.046)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.24:1
White text16.83:1

Values

HEX#281B01
RGBrgb(40, 27, 1)
HSLhsl(40, 95%, 8%)
OKLCHoklch(23.2% 0.046 82.7)

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 #281B01 16.83:1 AAA Lc -106.1 Preferred for body text
Black text on #281B01 1.24:1 Fails Lc 0.0 Not readable
#281B01 text on white 16.83:1 AAA Lc 103.7 Preferred for body text
#281B01 text on black 1.24:1 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

    #F8F5F0

    oklch(97.1% 0.007 80.7)

  2. Step 100

    100

    #EFE9DE

    oklch(93.6% 0.016 82.8)

  3. Step 200

    200

    #E3D8C3

    oklch(88.5% 0.031 83.6)

  4. Step 300

    300

    #D2BE99

    oklch(80.9% 0.055 82.8)

  5. Step 400

    400

    #BB9C5F

    oklch(70.7% 0.088 83.3)

  6. Step 500

    500

    #AA822D

    oklch(63% 0.111 82.6)

  7. Step 600

    600

    #946C00

    oklch(55.7% 0.115 82.9)

  8. Step 700

    700

    #7C5A00

    oklch(49% 0.101 82.9)

  9. Step 800

    800

    #664900

    oklch(42.6% 0.088 82.4)

  10. Step 900

    900

    #543D08

    oklch(37.6% 0.072 82.6)

  11. Step 950

    950 (this color)

    #281B01

    oklch(23.2% 0.046 82.7)

Export this scale for Tailwind in the Tailwind colors tool

#281B01 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)#201B000.018
Deuteranopia (no green cones)#231E020.014
Tritanopia (no blue cones)#2D17160.042
Achromatopsia (no color)#1D1D1D0.046

Harmonies

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

Complementary

The opposite hue (180°).

  • #281B01

    #281B01

    oklch(23.2% 0.046 82.7)

  • #121D33

    #121D33

    oklch(23.3% 0.046 263.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281B01

    #281B01

    oklch(23.2% 0.046 82.7)

  • #2E1707

    #2E1707

    oklch(23.3% 0.046 53.6)

  • #1E2003

    #1E2003

    oklch(23.4% 0.047 113.2)

Open the analogous palette in the generator

Split complementary

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

  • #281B01

    #281B01

    oklch(23.2% 0.046 82.7)

  • #01212F

    #01212F

    oklch(23.3% 0.046 231.1)

  • #1E1931

    #1E1931

    oklch(23.2% 0.046 292)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281B01

    #281B01

    oklch(23.2% 0.046 82.7)

  • #002326

    #002326

    oklch(23.3% 0.04 203.2)

  • #28162A

    #28162A

    oklch(23.4% 0.045 323.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281B01

    #281B01

    oklch(23.2% 0.046 82.7)

  • #00241B

    #00241B

    oklch(23.2% 0.045 172.3)

  • #121D33

    #121D33

    oklch(23.3% 0.046 263.1)

  • #2E141F

    #2E141F

    oklch(23.4% 0.045 354.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281B01, closest first.

Similar named colors

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

Use #281B01 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.