#281F04

Closest named color: Dark Brown (#341C02). oklch(24.4% 0.044 90.7), rgb(40, 31, 4).

Aa

White text reads best on this color (16.30:1).

About this color

#281F04 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.044 and its hue 91°. 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 16.30:1.

Hue familyBrowns
Lightnessvery dark (24%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.28:1
White text16.30:1

Values

HEX#281F04
RGBrgb(40, 31, 4)
HSLhsl(45, 82%, 9%)
OKLCHoklch(24.4% 0.044 90.7)

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 #281F04 16.30:1 AAA Lc -105.7 Preferred for body text
Black text on #281F04 1.28:1 Fails Lc 0.0 Not readable
#281F04 text on white 16.30:1 AAA Lc 103.2 Preferred for body text
#281F04 text on black 1.28:1 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

    #F7F5F0

    oklch(97% 0.007 88.6)

  2. Step 100

    100

    #EDEADF

    oklch(93.6% 0.015 94.2)

  3. Step 200

    200

    #E0D9C4

    oklch(88.5% 0.029 91.7)

  4. Step 300

    300

    #CDC09B

    oklch(80.9% 0.052 91)

  5. Step 400

    400

    #B49F62

    oklch(70.7% 0.084 91.1)

  6. Step 500

    500

    #A28633

    oklch(63% 0.106 90.2)

  7. Step 600

    600

    #8C7000

    oklch(55.6% 0.114 91.4)

  8. Step 700

    700

    #765D00

    oklch(49% 0.1 90.4)

  9. Step 800

    800

    #614C00

    oklch(42.6% 0.087 90.4)

  10. Step 900

    900

    #50400C

    oklch(37.8% 0.07 90.7)

  11. Step 950

    950 (this color)

    #281F04

    oklch(24.4% 0.044 90.7)

Export this scale for Tailwind in the Tailwind colors tool

#281F04 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)#241E020.010
Deuteranopia (no green cones)#2621050.007
Tritanopia (no blue cones)#2C1B190.040
Achromatopsia (no color)#2020200.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #281F04

    #281F04

    oklch(24.4% 0.044 90.7)

  • #181F35

    #181F35

    oklch(24.4% 0.043 269.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #281F04

    #281F04

    oklch(24.4% 0.044 90.7)

  • #2F1B08

    #2F1B08

    oklch(24.4% 0.044 61.9)

  • #1D2309

    #1D2309

    oklch(24.3% 0.044 120.6)

Open the analogous palette in the generator

Split complementary

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

  • #281F04

    #281F04

    oklch(24.4% 0.044 90.7)

  • #092233

    #092233

    oklch(24.2% 0.045 241.7)

  • #241B32

    #241B32

    oklch(24.5% 0.044 301.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #281F04

    #281F04

    oklch(24.4% 0.044 90.7)

  • #00252B

    #00252B

    oklch(24.2% 0.042 210.7)

  • #2C182A

    #2C182A

    oklch(24.4% 0.044 330.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #281F04

    #281F04

    oklch(24.4% 0.044 90.7)

  • #002721

    #002721

    oklch(24.4% 0.044 179.9)

  • #181F35

    #181F35

    oklch(24.4% 0.043 269.6)

  • #31171F

    #31171F

    oklch(24.5% 0.043 1.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281F04, closest first.

Similar named colors

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

Use #281F04 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.