#64401D

Closest named color: Mud Brown (#60460F). oklch(40.6% 0.07 62.7), rgb(100, 64, 29).

Aa

White text reads best on this color (9.15:1).

About this color

#64401D is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.026 away. White text reads best on it, at 9.15:1.

Hue familyBrowns
Lightnessdark (41%)
Chromamoderately saturated (0.070)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.29:1
White text9.15:1

Values

HEX#64401D
RGBrgb(100, 64, 29)
HSLhsl(30, 55%, 25%)
OKLCHoklch(40.6% 0.07 62.7)

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 #64401D 9.15:1 AAA Lc -95.3 Preferred for body text
Black text on #64401D 2.29:1 Fails Lc 13.0 Not readable
#64401D text on white 9.15:1 AAA Lc 90.9 Preferred for body text
#64401D text on black 2.29:1 Fails Lc -11.4 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

    #F8F5F2

    oklch(97.2% 0.005 67.8)

  2. Step 100

    100

    #F0E8E2

    oklch(93.6% 0.012 59.6)

  3. Step 200

    200

    #E5D6CA

    oklch(88.5% 0.023 61.2)

  4. Step 300

    300

    #D5BBA6

    oklch(80.9% 0.041 61.1)

  5. Step 400

    400

    #BF9876

    oklch(70.7% 0.066 62.5)

  6. Step 500

    500

    #AE7E52

    oklch(63.1% 0.084 62.8)

  7. Step 600

    600

    #996736

    oklch(55.7% 0.091 63.4)

  8. Step 700

    700

    #835529

    oklch(49.1% 0.085 62.2)

  9. Step 800

    800 (this color)

    #64401D

    oklch(40.6% 0.07 62.7)

  10. Step 900

    900

    #563B21

    oklch(37.7% 0.055 63.8)

  11. Step 950

    950

    #332314

    oklch(27.1% 0.035 63.6)

Export this scale for Tailwind in the Tailwind colors tool

#64401D 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)#4B43190.048
Deuteranopia (no green cones)#544B1D0.042
Tritanopia (no blue cones)#6D38380.052
Achromatopsia (no color)#4848480.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #64401D

    #64401D

    oklch(40.6% 0.07 62.7)

  • #234D6C

    #234D6C

    oklch(40.5% 0.07 243.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64401D

    #64401D

    oklch(40.6% 0.07 62.7)

  • #6A3A30

    #6A3A30

    oklch(40.6% 0.07 32.7)

  • #574815

    #574815

    oklch(40.7% 0.071 92.3)

Open the analogous palette in the generator

Split complementary

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

  • #64401D

    #64401D

    oklch(40.6% 0.07 62.7)

  • #025360

    #025360

    oklch(40.7% 0.07 212.9)

  • #3C466F

    #3C466F

    oklch(40.5% 0.07 272.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64401D

    #64401D

    oklch(40.6% 0.07 62.7)

  • #06554D

    #06554D

    oklch(40.5% 0.07 183.8)

  • #513F69

    #513F69

    oklch(40.5% 0.072 303.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64401D

    #64401D

    oklch(40.6% 0.07 62.7)

  • #285436

    #285436

    oklch(40.5% 0.071 152.4)

  • #234D6C

    #234D6C

    oklch(40.5% 0.07 243.1)

  • #603A5A

    #603A5A

    oklch(40.6% 0.072 332.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64401D, closest first.

Similar named colors

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

Use #64401D 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.