#64503F

Closest named color: Mud Brown (#60460F). oklch(44.7% 0.038 62), rgb(100, 80, 63).

Aa

White text reads best on this color (7.60:1).

About this color

#64503F is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.038 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.056 away. White text reads best on it, at 7.60:1.

Hue familyBrowns
Lightnessdark (45%)
Chromamuted (0.038)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.76:1
White text7.60:1

Values

HEX#64503F
RGBrgb(100, 80, 63)
HSLhsl(28, 23%, 32%)
OKLCHoklch(44.7% 0.038 62)

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 #64503F 7.60:1 AAA Lc -91.2 Preferred for body text
Black text on #64503F 2.76:1 Fails Lc 17.6 Dividers and decoration only
#64503F text on white 7.60:1 AAA Lc 86.4 Fine for body text
#64503F text on black 2.76:1 Fails Lc -15.7 Dividers and decoration only

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

    #F7F5F3

    oklch(97.1% 0.003 67.8)

  2. Step 100

    100

    #EDE9E6

    oklch(93.6% 0.006 59.6)

  3. Step 200

    200

    #DFD7D1

    oklch(88.4% 0.012 59.5)

  4. Step 300

    300

    #CBBEB3

    oklch(80.9% 0.021 62.8)

  5. Step 400

    400

    #B19C8B

    oklch(70.7% 0.035 61.2)

  6. Step 500

    500

    #9E846E

    oklch(63.2% 0.045 62.1)

  7. Step 600

    600

    #896D56

    oklch(55.6% 0.049 60.9)

  8. Step 700

    700

    #745B46

    oklch(49.1% 0.046 61.5)

  9. Step 800

    800 (this color)

    #64503F

    oklch(44.7% 0.038 62)

  10. Step 900

    900

    #4D3E32

    oklch(37.6% 0.029 60.4)

  11. Step 950

    950

    #2D251D

    oklch(27.1% 0.019 66.9)

Export this scale for Tailwind in the Tailwind colors tool

#64503F 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)#56513E0.024
Deuteranopia (no green cones)#5B563F0.023
Tritanopia (no blue cones)#6A4C4B0.028
Achromatopsia (no color)#5454540.038

Harmonies

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

Complementary

The opposite hue (180°).

  • #64503F

    #64503F

    oklch(44.7% 0.038 62)

  • #425768

    #425768

    oklch(44.6% 0.038 243.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64503F

    #64503F

    oklch(44.7% 0.038 62)

  • #684D47

    #684D47

    oklch(44.7% 0.038 32.8)

  • #5C543C

    #5C543C

    oklch(44.7% 0.038 91.8)

Open the analogous palette in the generator

Split complementary

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

  • #64503F

    #64503F

    oklch(44.7% 0.038 62)

  • #3B5A61

    #3B5A61

    oklch(44.6% 0.038 213.4)

  • #4D536A

    #4D536A

    oklch(44.6% 0.039 273.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64503F

    #64503F

    oklch(44.7% 0.038 62)

  • #3D5C56

    #3D5C56

    oklch(44.9% 0.038 181.1)

  • #585066

    #585066

    oklch(44.7% 0.037 301.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64503F

    #64503F

    oklch(44.7% 0.038 62)

  • #455B4A

    #455B4A

    oklch(44.8% 0.038 151.5)

  • #425768

    #425768

    oklch(44.6% 0.038 243.1)

  • #614D5E

    #614D5E

    oklch(44.7% 0.037 331.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64503F, closest first.

Similar named colors

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

Use #64503F 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.