#64481D

Closest named color: Mud Brown (#60460F). oklch(42.3% 0.07 75.4), rgb(100, 72, 29).

Aa

White text reads best on this color (8.44:1).

About this color

#64481D is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.070 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.015 away. White text reads best on it, at 8.44:1.

Hue familyBrowns
Lightnessdark (42%)
Chromamoderately saturated (0.070)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.48:1
White text8.44:1

Values

HEX#64481D
RGBrgb(100, 72, 29)
HSLhsl(36, 55%, 25%)
OKLCHoklch(42.3% 0.07 75.4)

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 #64481D 8.44:1 AAA Lc -93.5 Preferred for body text
Black text on #64481D 2.48:1 Fails Lc 15.0 Dividers and decoration only
#64481D text on white 8.44:1 AAA Lc 89.0 Fine for body text
#64481D text on black 2.48:1 Fails Lc -13.2 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 800.

  1. Step 50

    50

    #F8F5F1

    oklch(97.1% 0.006 75.4)

  2. Step 100

    100

    #EFE9E1

    oklch(93.7% 0.013 75.4)

  3. Step 200

    200

    #E2D7C9

    oklch(88.4% 0.022 74.1)

  4. Step 300

    300

    #D0BDA4

    oklch(80.8% 0.04 74.7)

  5. Step 400

    400

    #B99B73

    oklch(70.7% 0.065 74.4)

  6. Step 500

    500

    #A7824D

    oklch(63% 0.084 75.2)

  7. Step 600

    600

    #926B30

    oklch(55.6% 0.091 75.2)

  8. Step 700

    700

    #7C5922

    oklch(49% 0.084 75.5)

  9. Step 800

    800 (this color)

    #64481D

    oklch(42.3% 0.07 75.4)

  10. Step 900

    900

    #523D1E

    oklch(37.6% 0.054 75.5)

  11. Step 950

    950

    #302412

    oklch(26.9% 0.035 76.5)

Export this scale for Tailwind in the Tailwind colors tool

#64481D 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)#5249180.034
Deuteranopia (no green cones)#59501E0.029
Tritanopia (no blue cones)#6D413F0.059
Achromatopsia (no color)#4D4D4D0.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #64481D

    #64481D

    oklch(42.3% 0.07 75.4)

  • #334F74

    #334F74

    oklch(42.3% 0.071 255.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64481D

    #64481D

    oklch(42.3% 0.07 75.4)

  • #6D412C

    #6D412C

    oklch(42.3% 0.07 45.9)

  • #53501E

    #53501E

    oklch(42.3% 0.07 105.8)

Open the analogous palette in the generator

Split complementary

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

  • #64481D

    #64481D

    oklch(42.3% 0.07 75.4)

  • #18566B

    #18566B

    oklch(42.4% 0.07 225)

  • #4A4873

    #4A4873

    oklch(42.3% 0.071 285.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64481D

    #64481D

    oklch(42.3% 0.07 75.4)

  • #075A5A

    #075A5A

    oklch(42.4% 0.07 194.8)

  • #5D4268

    #5D4268

    oklch(42.4% 0.07 315.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64481D

    #64481D

    oklch(42.3% 0.07 75.4)

  • #215A45

    #215A45

    oklch(42.3% 0.07 165.8)

  • #334F74

    #334F74

    oklch(42.3% 0.071 255.8)

  • #693E56

    #693E56

    oklch(42.3% 0.069 345.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64481D, closest first.

Similar named colors

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

Use #64481D 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.