#644025

Closest named color: Mud Brown (#60460F). oklch(40.7% 0.064 56.6), rgb(100, 64, 37).

Aa

White text reads best on this color (9.12:1).

About this color

#644025 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.064 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.033 away. White text reads best on it, at 9.12:1.

Hue familyBrowns
Lightnessdark (41%)
Chromamuted (0.064)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.30:1
White text9.12:1

Values

HEX#644025
RGBrgb(100, 64, 37)
HSLhsl(26, 46%, 27%)
OKLCHoklch(40.7% 0.064 56.6)

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 #644025 9.12:1 AAA Lc -95.2 Preferred for body text
Black text on #644025 2.30:1 Fails Lc 13.1 Not readable
#644025 text on white 9.12:1 AAA Lc 90.8 Preferred for body text
#644025 text on black 2.30:1 Fails Lc -11.5 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

    #F0E8E3

    oklch(93.6% 0.011 54.5)

  3. Step 200

    200

    #E4D6CC

    oklch(88.5% 0.021 58)

  4. Step 300

    300

    #D4BBAA

    oklch(80.9% 0.037 56.3)

  5. Step 400

    400

    #BE977C

    oklch(70.6% 0.06 56.2)

  6. Step 500

    500

    #AE7D5B

    oklch(63.1% 0.078 55.6)

  7. Step 600

    600

    #996641

    oklch(55.6% 0.084 56)

  8. Step 700

    700

    #825532

    oklch(49.1% 0.078 57.5)

  9. Step 800

    800 (this color)

    #644025

    oklch(40.7% 0.064 56.6)

  10. Step 900

    900

    #563B27

    oklch(37.8% 0.05 57.1)

  11. Step 950

    950

    #322217

    oklch(26.8% 0.031 55.5)

Export this scale for Tailwind in the Tailwind colors tool

#644025 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)#4B43230.047
Deuteranopia (no green cones)#534B250.043
Tritanopia (no blue cones)#6D393A0.045
Achromatopsia (no color)#4848480.065

Harmonies

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

Complementary

The opposite hue (180°).

  • #644025

    #644025

    oklch(40.7% 0.064 56.6)

  • #234F68

    #234F68

    oklch(40.8% 0.064 236.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #644025

    #644025

    oklch(40.7% 0.064 56.6)

  • #683B37

    #683B37

    oklch(40.6% 0.064 25.7)

  • #59471C

    #59471C

    oklch(40.7% 0.065 86.4)

Open the analogous palette in the generator

Split complementary

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

  • #644025

    #644025

    oklch(40.7% 0.064 56.6)

  • #0F535B

    #0F535B

    oklch(40.6% 0.064 207)

  • #39486D

    #39486D

    oklch(40.6% 0.065 266.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #644025

    #644025

    oklch(40.7% 0.064 56.6)

  • #195549

    #195549

    oklch(40.8% 0.064 177)

  • #4D4268

    #4D4268

    oklch(40.7% 0.064 296.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #644025

    #644025

    oklch(40.7% 0.064 56.6)

  • #315334

    #315334

    oklch(40.7% 0.065 146.3)

  • #234F68

    #234F68

    oklch(40.8% 0.064 236.2)

  • #5C3D5C

    #5C3D5C

    oklch(40.7% 0.064 326.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #644025, closest first.

Similar named colors

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

Use #644025 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.