#644415

Closest named color: Mud Brown (#60460F). oklch(41.3% 0.075 72.8), rgb(100, 68, 21).

Aa

White text reads best on this color (8.82:1).

About this color

#644415 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.075 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.012 away. White text reads best on it, at 8.82:1.

Hue familyBrowns
Lightnessdark (41%)
Chromamoderately saturated (0.075)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.37:1
White text8.82:1

Values

HEX#644415
RGBrgb(100, 68, 21)
HSLhsl(36, 65%, 24%)
OKLCHoklch(41.3% 0.075 72.8)

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 #644415 8.82:1 AAA Lc -94.5 Preferred for body text
Black text on #644415 2.37:1 Fails Lc 14.0 Not readable
#644415 text on white 8.82:1 AAA Lc 90.0 Preferred for body text
#644415 text on black 2.37:1 Fails Lc -12.3 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

    #E3D7C8

    oklch(88.5% 0.024 73.6)

  4. Step 300

    300

    #D3BDA2

    oklch(81% 0.044 72.8)

  5. Step 400

    400

    #BC9A6F

    oklch(70.7% 0.071 72.8)

  6. Step 500

    500

    #AB8148

    oklch(63.2% 0.091 73.3)

  7. Step 600

    600

    #966929

    oklch(55.6% 0.098 72.5)

  8. Step 700

    700

    #80571B

    oklch(49% 0.091 72.3)

  9. Step 800

    800 (this color)

    #644415

    oklch(41.3% 0.075 72.8)

  10. Step 900

    900

    #553C1B

    oklch(37.7% 0.059 71.9)

  11. Step 950

    950

    #322311

    oklch(26.9% 0.037 70.2)

Export this scale for Tailwind in the Tailwind colors tool

#644415 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)#4F460F0.041
Deuteranopia (no green cones)#574D160.034
Tritanopia (no blue cones)#6D3C3A0.061
Achromatopsia (no color)#4A4A4A0.076

Harmonies

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

Complementary

The opposite hue (180°).

  • #644415

    #644415

    oklch(41.3% 0.075 72.8)

  • #2C4D73

    #2C4D73

    oklch(41.3% 0.075 253.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #644415

    #644415

    oklch(41.3% 0.075 72.8)

  • #6D3D28

    #6D3D28

    oklch(41.4% 0.075 43.9)

  • #534D14

    #534D14

    oklch(41.4% 0.076 103.2)

Open the analogous palette in the generator

Split complementary

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

  • #644415

    #644415

    oklch(41.3% 0.075 72.8)

  • #045469

    #045469

    oklch(41.4% 0.075 222.6)

  • #464573

    #464573

    oklch(41.3% 0.076 283.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #644415

    #644415

    oklch(41.3% 0.075 72.8)

  • #005756

    #005756

    oklch(41.3% 0.071 193.4)

  • #593E69

    #593E69

    oklch(41.2% 0.077 312.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #644415

    #644415

    oklch(41.3% 0.075 72.8)

  • #1B583F

    #1B583F

    oklch(41.4% 0.075 162.5)

  • #2C4D73

    #2C4D73

    oklch(41.3% 0.075 253.1)

  • #673A56

    #673A56

    oklch(41.3% 0.075 342.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #644415, closest first.

Similar named colors

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

Use #644415 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.