#281C01

Closest named color: Dark Brown (#341C02). oklch(23.5% 0.047 85.3), rgb(40, 28, 1).

Aa

White text reads best on this color (16.70:1).

About this color

#281C01 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.047 and its hue 85°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.027 away. White text reads best on it, at 16.70:1.

Hue familyBrowns
Lightnessvery dark (24%)
Chromamuted (0.047)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.25:1
White text16.70:1

Values

HEX#281C01
RGBrgb(40, 28, 1)
HSLhsl(42, 95%, 8%)
OKLCHoklch(23.5% 0.047 85.3)

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 #281C01 16.70:1 AAA Lc -106.0 Preferred for body text
Black text on #281C01 1.25:1 Fails Lc 0.0 Not readable
#281C01 text on white 16.70:1 AAA Lc 103.6 Preferred for body text
#281C01 text on black 1.25:1 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

    #E2D8C3

    oklch(88.5% 0.03 85.6)

  4. Step 300

    300

    #D1BF98

    oklch(81% 0.056 86.1)

  5. Step 400

    400

    #BA9D5E

    oklch(70.8% 0.089 85.5)

  6. Step 500

    500

    #A8832B

    oklch(63% 0.112 85)

  7. Step 600

    600

    #916D00

    oklch(55.6% 0.114 85.6)

  8. Step 700

    700

    #7A5B00

    oklch(49% 0.1 85.4)

  9. Step 800

    800

    #654A00

    oklch(42.7% 0.087 84.5)

  10. Step 900

    900

    #533E06

    oklch(37.7% 0.074 85.6)

  11. Step 950

    950 (this color)

    #281C01

    oklch(23.5% 0.047 85.3)

Export this scale for Tailwind in the Tailwind colors tool

#281C01 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)#211C000.015
Deuteranopia (no green cones)#241F020.012
Tritanopia (no blue cones)#2C18160.041
Achromatopsia (no color)#1E1E1E0.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #281C01

    #281C01

    oklch(23.5% 0.047 85.3)

  • #131D34

    #131D34

    oklch(23.4% 0.047 265.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281C01

    #281C01

    oklch(23.5% 0.047 85.3)

  • #2F1706

    #2F1706

    oklch(23.5% 0.048 54)

  • #1D2104

    #1D2104

    oklch(23.6% 0.048 116.7)

Open the analogous palette in the generator

Split complementary

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

  • #281C01

    #281C01

    oklch(23.5% 0.047 85.3)

  • #032131

    #032131

    oklch(23.5% 0.047 236.2)

  • #201932

    #201932

    oklch(23.5% 0.048 295.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281C01

    #281C01

    oklch(23.5% 0.047 85.3)

  • #002327

    #002327

    oklch(23.4% 0.04 205.9)

  • #29162A

    #29162A

    oklch(23.5% 0.046 325.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281C01

    #281C01

    oklch(23.5% 0.047 85.3)

  • #00251D

    #00251D

    oklch(23.6% 0.045 174.8)

  • #131D34

    #131D34

    oklch(23.4% 0.047 265.2)

  • #2F141F

    #2F141F

    oklch(23.5% 0.047 355.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281C01, closest first.

Similar named colors

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

Use #281C01 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.