#391803

Closest named color: Dark Brown (#341C02). oklch(25.4% 0.061 50.4), rgb(57, 24, 3).

Aa

White text reads best on this color (16.08:1).

About this color

#391803 is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.061 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.016 away. White text reads best on it, at 16.08:1.

Hue familyBrowns
Lightnessdark (25%)
Chromamuted (0.061)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.30:1
White text16.08:1

Values

HEX#391803
RGBrgb(57, 24, 3)
HSLhsl(23, 90%, 12%)
OKLCHoklch(25.4% 0.061 50.4)

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 #391803 16.08:1 AAA Lc -105.4 Preferred for body text
Black text on #391803 1.30:1 Fails Lc 0.0 Not readable
#391803 text on white 16.08:1 AAA Lc 102.8 Preferred for body text
#391803 text on black 1.30:1 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

    #FBF4F0

    oklch(97.1% 0.009 52.1)

  2. Step 100

    100

    #F6E6DE

    oklch(93.6% 0.021 48.5)

  3. Step 200

    200

    #F0D2C2

    oklch(88.5% 0.04 49.9)

  4. Step 300

    300

    #E8B497

    oklch(81% 0.072 50.5)

  5. Step 400

    400

    #DA8A5B

    oklch(70.7% 0.116 50.4)

  6. Step 500

    500

    #CE6A25

    oklch(63.1% 0.148 50.5)

  7. Step 600

    600

    #B45400

    oklch(55.7% 0.146 50.5)

  8. Step 700

    700

    #984600

    oklch(49.2% 0.129 50.6)

  9. Step 800

    800

    #7D3800

    oklch(42.6% 0.112 50.3)

  10. Step 900

    900

    #692F03

    oklch(37.8% 0.097 50.3)

  11. Step 950

    950 (this color)

    #391803

    oklch(25.4% 0.061 50.4)

Export this scale for Tailwind in the Tailwind colors tool

#391803 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)#221D010.053
Deuteranopia (no green cones)#2A24030.047
Tritanopia (no blue cones)#4011140.037
Achromatopsia (no color)#2121210.062

Harmonies

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

Complementary

The opposite hue (180°).

  • #391803

    #391803

    oklch(25.4% 0.061 50.4)

  • #002736

    #002736

    oklch(25.5% 0.05 229.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #391803

    #391803

    oklch(25.4% 0.061 50.4)

  • #3B1416

    #3B1416

    oklch(25.3% 0.062 19.5)

  • #2F1F00

    #2F1F00

    oklch(25.3% 0.052 80.8)

Open the analogous palette in the generator

Split complementary

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

  • #391803

    #391803

    oklch(25.4% 0.061 50.4)

  • #00292B

    #00292B

    oklch(25.5% 0.043 199.8)

  • #102240

    #102240

    oklch(25.5% 0.062 260)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #391803

    #391803

    oklch(25.4% 0.061 50.4)

  • #002A1F

    #002A1F

    oklch(25.4% 0.05 170.6)

  • #231C3E

    #231C3E

    oklch(25.4% 0.063 290.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #391803

    #391803

    oklch(25.4% 0.061 50.4)

  • #10290B

    #10290B

    oklch(25.2% 0.061 140.4)

  • #002736

    #002736

    oklch(25.5% 0.05 229.1)

  • #2F1734

    #2F1734

    oklch(25.2% 0.062 320.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #391803, closest first.

Similar named colors

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

Use #391803 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.