#635A13

Closest named color: Olive Brown (#645403). oklch(46.3% 0.088 101.8), rgb(99, 90, 19).

Aa

White text reads best on this color (6.99:1).

About this color

#635A13 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.088 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.017 away. White text reads best on it, at 6.99:1.

Hue familyBrowns
Lightnessmedium-dark (46%)
Chromamoderately saturated (0.088)
Temperaturewarm
Nearest nameOlive Brown (#645403)
Black text3.00:1
White text6.99:1

Values

HEX#635A13
RGBrgb(99, 90, 19)
HSLhsl(53, 68%, 23%)
OKLCHoklch(46.3% 0.088 101.8)

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 #635A13 6.99:1 AA Lc -89.1 Fine for body text
Black text on #635A13 3.00:1 AA large text Lc 19.9 Dividers and decoration only
#635A13 text on white 6.99:1 AA Lc 84.1 Fine for body text
#635A13 text on black 3.00:1 AA large text Lc -17.9 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 700.

  1. Step 50

    50

    #F6F6F1

    oklch(97.2% 0.007 106.5)

  2. Step 100

    100

    #EBEAE1

    oklch(93.5% 0.012 101.5)

  3. Step 200

    200

    #DCDAC8

    oklch(88.5% 0.024 101.7)

  4. Step 300

    300

    #C6C2A3

    oklch(80.9% 0.042 101.2)

  5. Step 400

    400

    #A9A371

    oklch(70.8% 0.068 102.2)

  6. Step 500

    500

    #948B4A

    oklch(63% 0.087 101.5)

  7. Step 600

    600

    #7F752B

    oklch(55.6% 0.095 101.6)

  8. Step 700

    700 (this color)

    #635A13

    oklch(46.3% 0.088 101.8)

  9. Step 800

    800

    #57501B

    oklch(42.7% 0.073 101.8)

  10. Step 900

    900

    #48431C

    oklch(37.8% 0.058 102.1)

  11. Step 950

    950

    #2A2711

    oklch(27% 0.036 101.6)

Export this scale for Tailwind in the Tailwind colors tool

#635A13 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)#6357050.010
Deuteranopia (no green cones)#665B180.007
Tritanopia (no blue cones)#6B534D0.081
Achromatopsia (no color)#5959590.088

Harmonies

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

Complementary

The opposite hue (180°).

  • #635A13

    #635A13

    oklch(46.3% 0.088 101.8)

  • #515289

    #515289

    oklch(46.3% 0.088 281.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #635A13

    #635A13

    oklch(46.3% 0.088 101.8)

  • #775016

    #775016

    oklch(46.4% 0.088 72.3)

  • #46632C

    #46632C

    oklch(46.3% 0.088 132)

Open the analogous palette in the generator

Split complementary

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

  • #635A13

    #635A13

    oklch(46.3% 0.088 101.8)

  • #315B88

    #315B88

    oklch(46.2% 0.088 251.7)

  • #69497C

    #69497C

    oklch(46.1% 0.088 312.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #635A13

    #635A13

    oklch(46.3% 0.088 101.8)

  • #00637B

    #00637B

    oklch(46.3% 0.086 222)

  • #7A4467

    #7A4467

    oklch(46.4% 0.088 341.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #635A13

    #635A13

    oklch(46.3% 0.088 101.8)

  • #006764

    #006764

    oklch(46.4% 0.08 191.3)

  • #515289

    #515289

    oklch(46.3% 0.088 281.6)

  • #82424C

    #82424C

    oklch(46.2% 0.088 11.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #635A13, closest first.

Similar named colors

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

Use #635A13 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.