#644530

Closest named color: Mud Brown (#60460F). oklch(42% 0.054 54.8), rgb(100, 69, 48).

Aa

White text reads best on this color (8.62:1).

About this color

#644530 is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.054 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.038 away. White text reads best on it, at 8.62:1.

Hue familyBrowns
Lightnessdark (42%)
Chromamuted (0.054)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.43:1
White text8.62:1

Values

HEX#644530
RGBrgb(100, 69, 48)
HSLhsl(24, 35%, 29%)
OKLCHoklch(42% 0.054 54.8)

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 #644530 8.62:1 AAA Lc -94.0 Preferred for body text
Black text on #644530 2.43:1 Fails Lc 14.5 Not readable
#644530 text on white 8.62:1 AAA Lc 89.5 Fine for body text
#644530 text on black 2.43:1 Fails Lc -12.7 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

    #F8F5F3

    oklch(97.2% 0.004 56.4)

  2. Step 100

    100

    #EFE8E4

    oklch(93.5% 0.009 52.1)

  3. Step 200

    200

    #E3D6CE

    oklch(88.4% 0.018 54)

  4. Step 300

    300

    #D1BCAE

    oklch(80.9% 0.031 55.9)

  5. Step 400

    400

    #BA9983

    oklch(70.7% 0.05 55.4)

  6. Step 500

    500

    #A97F64

    oklch(63.1% 0.065 53.9)

  7. Step 600

    600

    #93684B

    oklch(55.5% 0.07 54.8)

  8. Step 700

    700

    #7E573C

    oklch(49.2% 0.065 55.3)

  9. Step 800

    800 (this color)

    #644530

    oklch(42% 0.054 54.8)

  10. Step 900

    900

    #533C2C

    oklch(37.7% 0.042 55.9)

  11. Step 950

    950

    #31231A

    oklch(27% 0.027 54)

Export this scale for Tailwind in the Tailwind colors tool

#644530 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)#4E482E0.041
Deuteranopia (no green cones)#554E300.037
Tritanopia (no blue cones)#6C3F400.037
Achromatopsia (no color)#4C4C4C0.054

Harmonies

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

Complementary

The opposite hue (180°).

  • #644530

    #644530

    oklch(42% 0.054 54.8)

  • #2E5266

    #2E5266

    oklch(42% 0.053 234.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #644530

    #644530

    oklch(42% 0.054 54.8)

  • #67413E

    #67413E

    oklch(41.9% 0.054 24.6)

  • #5B4B29

    #5B4B29

    oklch(42.1% 0.054 84.9)

Open the analogous palette in the generator

Split complementary

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

  • #644530

    #644530

    oklch(42% 0.054 54.8)

  • #24555B

    #24555B

    oklch(41.9% 0.053 206.1)

  • #3E4D6B

    #3E4D6B

    oklch(42% 0.054 263.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #644530

    #644530

    oklch(42% 0.054 54.8)

  • #2A574B

    #2A574B

    oklch(42.1% 0.054 174.1)

  • #4F4768

    #4F4768

    oklch(42% 0.055 295.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #644530

    #644530

    oklch(42% 0.054 54.8)

  • #3A553B

    #3A553B

    oklch(42% 0.054 145.4)

  • #2E5266

    #2E5266

    oklch(42% 0.053 234.3)

  • #5C435D

    #5C435D

    oklch(42% 0.053 325.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #644530, closest first.

Similar named colors

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

Use #644530 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.