#311C04

Closest named color: Dark Brown (#341C02). oklch(24.9% 0.049 66.4), rgb(49, 28, 4).

Aa

White text reads best on this color (16.17:1).

About this color

#311C04 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.049 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.007 away. White text reads best on it, at 16.17:1.

Hue familyBrowns
Lightnessvery dark (25%)
Chromamuted (0.049)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.29:1
White text16.17:1

Values

HEX#311C04
RGBrgb(49, 28, 4)
HSLhsl(32, 85%, 10%)
OKLCHoklch(24.9% 0.049 66.4)

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 #311C04 16.17:1 AAA Lc -105.5 Preferred for body text
Black text on #311C04 1.29:1 Fails Lc 0.0 Not readable
#311C04 text on white 16.17:1 AAA Lc 103.0 Preferred for body text
#311C04 text on black 1.29:1 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

    #F9F4F0

    oklch(97% 0.008 61.5)

  2. Step 100

    100

    #F2E8DE

    oklch(93.6% 0.017 67.6)

  3. Step 200

    200

    #E8D5C3

    oklch(88.4% 0.032 65.9)

  4. Step 300

    300

    #DBBA99

    oklch(80.9% 0.058 66.8)

  5. Step 400

    400

    #C89560

    oklch(70.7% 0.093 66.4)

  6. Step 500

    500

    #B9792E

    oklch(63% 0.119 66.3)

  7. Step 600

    600

    #A36200

    oklch(55.6% 0.124 66.2)

  8. Step 700

    700

    #895200

    oklch(49.1% 0.109 66.6)

  9. Step 800

    800

    #714300

    oklch(42.8% 0.095 66.9)

  10. Step 900

    900

    #5D3809

    oklch(37.7% 0.078 66.2)

  11. Step 950

    950 (this color)

    #311C04

    oklch(24.9% 0.049 66.4)

Export this scale for Tailwind in the Tailwind colors tool

#311C04 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)#231E020.031
Deuteranopia (no green cones)#2823040.029
Tritanopia (no blue cones)#3617170.038
Achromatopsia (no color)#2121210.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #311C04

    #311C04

    oklch(24.9% 0.049 66.4)

  • #0A2337

    #0A2337

    oklch(24.8% 0.049 245.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #311C04

    #311C04

    oklch(24.9% 0.049 66.4)

  • #351810

    #351810

    oklch(24.9% 0.049 36.3)

  • #282101

    #282101

    oklch(24.8% 0.05 97.1)

Open the analogous palette in the generator

Split complementary

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

  • #311C04

    #311C04

    oklch(24.9% 0.049 66.4)

  • #00262F

    #00262F

    oklch(24.8% 0.044 217.5)

  • #1B1F39

    #1B1F39

    oklch(25% 0.05 275.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #311C04

    #311C04

    oklch(24.9% 0.049 66.4)

  • #002825

    #002825

    oklch(24.9% 0.043 187.3)

  • #271B34

    #271B34

    oklch(24.9% 0.049 305.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #311C04

    #311C04

    oklch(24.9% 0.049 66.4)

  • #092817

    #092817

    oklch(24.8% 0.049 156)

  • #0A2337

    #0A2337

    oklch(24.8% 0.049 245.8)

  • #30182A

    #30182A

    oklch(25% 0.048 336.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #311C04, closest first.

Similar named colors

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

Use #311C04 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.