#644301

Closest named color: Mud Brown (#60460F). oklch(41% 0.085 76.8), rgb(100, 67, 1).

Aa

White text reads best on this color (8.95:1).

About this color

#644301 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.085 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.011 away. White text reads best on it, at 8.95:1.

Hue familyBrowns
Lightnessdark (41%)
Chromamoderately saturated (0.085)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.34:1
White text8.95:1

Values

HEX#644301
RGBrgb(100, 67, 1)
HSLhsl(40, 98%, 20%)
OKLCHoklch(41% 0.085 76.8)

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 #644301 8.95:1 AAA Lc -94.7 Preferred for body text
Black text on #644301 2.34:1 Fails Lc 13.7 Not readable
#644301 text on white 8.95:1 AAA Lc 90.3 Preferred for body text
#644301 text on black 2.34:1 Fails Lc -12.0 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 800.

  1. Step 50

    50

    #F8F5F1

    oklch(97.1% 0.006 75.4)

  2. Step 100

    100

    #EFE9DF

    oklch(93.6% 0.015 80.7)

  3. Step 200

    200

    #E4D7C5

    oklch(88.5% 0.028 76.2)

  4. Step 300

    300

    #D3BD9D

    oklch(80.9% 0.05 77.2)

  5. Step 400

    400

    #BD9A67

    oklch(70.6% 0.08 76.3)

  6. Step 500

    500

    #AC813B

    oklch(63.2% 0.102 77.2)

  7. Step 600

    600

    #976912

    oklch(55.5% 0.11 76.8)

  8. Step 700

    700

    #815700

    oklch(49% 0.103 76.4)

  9. Step 800

    800 (this color)

    #644301

    oklch(41% 0.085 76.8)

  10. Step 900

    900

    #553C13

    oklch(37.6% 0.066 76.4)

  11. Step 950

    950

    #32240D

    oklch(27.1% 0.042 77.8)

Export this scale for Tailwind in the Tailwind colors tool

#644301 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)#4F45000.040
Deuteranopia (no green cones)#574D040.036
Tritanopia (no blue cones)#6E3A380.073
Achromatopsia (no color)#4949490.085

Harmonies

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

Complementary

The opposite hue (180°).

  • #644301

    #644301

    oklch(41% 0.085 76.8)

  • #2A4B78

    #2A4B78

    oklch(41% 0.085 256.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #644301

    #644301

    oklch(41% 0.085 76.8)

  • #6F3A1E

    #6F3A1E

    oklch(41% 0.085 46.9)

  • #504D05

    #504D05

    oklch(41% 0.085 107)

Open the analogous palette in the generator

Split complementary

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

  • #644301

    #644301

    oklch(41% 0.085 76.8)

  • #00526B

    #00526B

    oklch(40.9% 0.079 226.9)

  • #484276

    #484276

    oklch(41% 0.085 287.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #644301

    #644301

    oklch(41% 0.085 76.8)

  • #005657

    #005657

    oklch(41.1% 0.07 196.1)

  • #5D3B69

    #5D3B69

    oklch(41.1% 0.085 316.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #644301

    #644301

    oklch(41% 0.085 76.8)

  • #005840

    #005840

    oklch(40.8% 0.084 166.8)

  • #2A4B78

    #2A4B78

    oklch(41% 0.085 256.6)

  • #6B3653

    #6B3653

    oklch(41.1% 0.084 347.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #644301, closest first.

Similar named colors

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

Use #644301 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.