#281C04

Closest named color: Dark Brown (#341C02). oklch(23.6% 0.042 82.4), rgb(40, 28, 4).

Aa

White text reads best on this color (16.69:1).

About this color

#281C04 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.042 and its hue 82°. 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 16.69:1.

Hue familyBrowns
Lightnessvery dark (24%)
Chromamuted (0.042)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.25:1
White text16.69:1

Values

HEX#281C04
RGBrgb(40, 28, 4)
HSLhsl(40, 82%, 9%)
OKLCHoklch(23.6% 0.042 82.4)

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 #281C04 16.69:1 AAA Lc -106.0 Preferred for body text
Black text on #281C04 1.25:1 Fails Lc 0.0 Not readable
#281C04 text on white 16.69:1 AAA Lc 103.6 Preferred for body text
#281C04 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

    #EFE9DF

    oklch(93.6% 0.015 80.7)

  3. Step 200

    200

    #E2D8C5

    oklch(88.5% 0.028 83.5)

  4. Step 300

    300

    #D1BE9C

    oklch(80.9% 0.051 82.1)

  5. Step 400

    400

    #B99C65

    oklch(70.6% 0.08 82.7)

  6. Step 500

    500

    #A88338

    oklch(63.1% 0.103 82.5)

  7. Step 600

    600

    #936C0A

    oklch(55.6% 0.112 82.8)

  8. Step 700

    700

    #7D5A00

    oklch(49.1% 0.101 82.2)

  9. Step 800

    800

    #664A04

    oklch(42.8% 0.086 83)

  10. Step 900

    900

    #533E11

    oklch(37.8% 0.067 82.8)

  11. Step 950

    950 (this color)

    #281C04

    oklch(23.6% 0.042 82.4)

Export this scale for Tailwind in the Tailwind colors tool

#281C04 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)#211C020.016
Deuteranopia (no green cones)#241F050.012
Tritanopia (no blue cones)#2C18170.038
Achromatopsia (no color)#1E1E1E0.042

Harmonies

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

Complementary

The opposite hue (180°).

  • #281C04

    #281C04

    oklch(23.6% 0.042 82.4)

  • #131E32

    #131E32

    oklch(23.6% 0.042 261.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281C04

    #281C04

    oklch(23.6% 0.042 82.4)

  • #2E180A

    #2E180A

    oklch(23.6% 0.043 51.8)

  • #1F2006

    #1F2006

    oklch(23.6% 0.042 111.3)

Open the analogous palette in the generator

Split complementary

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

  • #281C04

    #281C04

    oklch(23.6% 0.042 82.4)

  • #05212F

    #05212F

    oklch(23.5% 0.043 234.2)

  • #1F1A30

    #1F1A30

    oklch(23.5% 0.042 293.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281C04

    #281C04

    oklch(23.6% 0.042 82.4)

  • #002426

    #002426

    oklch(23.7% 0.04 200.3)

  • #28172A

    #28172A

    oklch(23.6% 0.043 323.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281C04

    #281C04

    oklch(23.6% 0.042 82.4)

  • #03251C

    #03251C

    oklch(23.7% 0.043 171.5)

  • #131E32

    #131E32

    oklch(23.6% 0.042 261.7)

  • #2D1520

    #2D1520

    oklch(23.4% 0.043 352)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281C04, closest first.

Similar named colors

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

Use #281C04 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.