#644207

Closest named color: Mud Brown (#60460F). oklch(40.8% 0.083 74.2), rgb(100, 66, 7).

Aa

White text reads best on this color (9.03:1).

About this color

#644207 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.083 and its hue 74°. 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 9.03:1.

Hue familyBrowns
Lightnessdark (41%)
Chromamoderately saturated (0.083)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.32:1
White text9.03:1

Values

HEX#644207
RGBrgb(100, 66, 7)
HSLhsl(38, 87%, 21%)
OKLCHoklch(40.8% 0.083 74.2)

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 #644207 9.03:1 AAA Lc -95.0 Preferred for body text
Black text on #644207 2.32:1 Fails Lc 13.4 Not readable
#644207 text on white 9.03:1 AAA Lc 90.5 Preferred for body text
#644207 text on black 2.32:1 Fails Lc -11.8 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

    #F0E9E0

    oklch(93.7% 0.014 74.4)

  3. Step 200

    200

    #E4D7C6

    oklch(88.5% 0.027 74.7)

  4. Step 300

    300

    #D4BD9F

    oklch(81% 0.048 74.4)

  5. Step 400

    400

    #BE9A6A

    oklch(70.8% 0.077 74)

  6. Step 500

    500

    #AD8040

    oklch(63.1% 0.098 74)

  7. Step 600

    600

    #98691B

    oklch(55.7% 0.107 74.7)

  8. Step 700

    700

    #82570B

    oklch(49.2% 0.1 74.3)

  9. Step 800

    800 (this color)

    #644207

    oklch(40.8% 0.083 74.2)

  10. Step 900

    900

    #563C16

    oklch(37.7% 0.064 73.8)

  11. Step 950

    950

    #32230E

    oklch(26.9% 0.041 73.8)

Export this scale for Tailwind in the Tailwind colors tool

#644207 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)#4E44000.043
Deuteranopia (no green cones)#564C0A0.037
Tritanopia (no blue cones)#6E39380.070
Achromatopsia (no color)#4949490.083

Harmonies

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

Complementary

The opposite hue (180°).

  • #644207

    #644207

    oklch(40.8% 0.083 74.2)

  • #284B76

    #284B76

    oklch(40.8% 0.083 254.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #644207

    #644207

    oklch(40.8% 0.083 74.2)

  • #6E3A22

    #6E3A22

    oklch(40.9% 0.082 44.6)

  • #514C07

    #514C07

    oklch(40.9% 0.083 105)

Open the analogous palette in the generator

Split complementary

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

  • #644207

    #644207

    oklch(40.8% 0.083 74.2)

  • #005269

    #005269

    oklch(40.8% 0.077 224.8)

  • #454375

    #454375

    oklch(40.9% 0.083 283.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #644207

    #644207

    oklch(40.8% 0.083 74.2)

  • #005555

    #005555

    oklch(40.7% 0.069 194.8)

  • #5A3B69

    #5A3B69

    oklch(40.8% 0.083 314.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #644207

    #644207

    oklch(40.8% 0.083 74.2)

  • #0A583E

    #0A583E

    oklch(41% 0.083 164.1)

  • #284B76

    #284B76

    oklch(40.8% 0.083 254.6)

  • #683655

    #683655

    oklch(40.7% 0.083 343.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #644207, closest first.

Similar named colors

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

Use #644207 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.