#63552F

Closest named color: Olive Brown (#645403). oklch(45.4% 0.058 89.8), rgb(99, 85, 47).

Aa

White text reads best on this color (7.31:1).

About this color

#63552F is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.058 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.034 away. White text reads best on it, at 7.31:1.

Hue familyBrowns
Lightnessmedium-dark (45%)
Chromamuted (0.058)
Temperaturewarm
Nearest nameOlive Brown (#645403)
Black text2.87:1
White text7.31:1

Values

HEX#63552F
RGBrgb(99, 85, 47)
HSLhsl(44, 36%, 29%)
OKLCHoklch(45.4% 0.058 89.8)

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 #63552F 7.31:1 AAA Lc -90.2 Preferred for body text
Black text on #63552F 2.87:1 Fails Lc 18.6 Dividers and decoration only
#63552F text on white 7.31:1 AAA Lc 85.4 Fine for body text
#63552F text on black 2.87:1 Fails Lc -16.7 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

    #F6F5F2

    oklch(97% 0.004 91.4)

  2. Step 100

    100

    #ECEAE3

    oklch(93.7% 0.01 93.6)

  3. Step 200

    200

    #DED9CB

    oklch(88.5% 0.02 90.6)

  4. Step 300

    300

    #C9C0A8

    oklch(80.9% 0.034 89.9)

  5. Step 400

    400

    #AEA07A

    oklch(70.8% 0.055 90.2)

  6. Step 500

    500

    #9A8858

    oklch(63.1% 0.069 89.7)

  7. Step 600

    600

    #85713D

    oklch(55.6% 0.075 88.9)

  8. Step 700

    700

    #705F2F

    oklch(49.1% 0.07 90.2)

  9. Step 800

    800 (this color)

    #63552F

    oklch(45.4% 0.058 89.8)

  10. Step 900

    900

    #4B4125

    oklch(37.8% 0.045 90.5)

  11. Step 950

    950

    #2C2616

    oklch(27.1% 0.029 89.8)

Export this scale for Tailwind in the Tailwind colors tool

#63552F 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)#5D542C0.012
Deuteranopia (no green cones)#6058300.010
Tritanopia (no blue cones)#6A4F4C0.053
Achromatopsia (no color)#5656560.058

Harmonies

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

Complementary

The opposite hue (180°).

  • #63552F

    #63552F

    oklch(45.4% 0.058 89.8)

  • #4A5577

    #4A5577

    oklch(45.4% 0.058 270.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63552F

    #63552F

    oklch(45.4% 0.058 89.8)

  • #6E4F35

    #6E4F35

    oklch(45.4% 0.057 60.6)

  • #525B36

    #525B36

    oklch(45.3% 0.057 119.9)

Open the analogous palette in the generator

Split complementary

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

  • #63552F

    #63552F

    oklch(45.4% 0.058 89.8)

  • #375B74

    #375B74

    oklch(45.5% 0.058 240.1)

  • #5B4F72

    #5B4F72

    oklch(45.4% 0.058 299.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63552F

    #63552F

    oklch(45.4% 0.058 89.8)

  • #2A5F68

    #2A5F68

    oklch(45.3% 0.058 210.1)

  • #694B66

    #694B66

    oklch(45.5% 0.057 329.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63552F

    #63552F

    oklch(45.4% 0.058 89.8)

  • #2D6157

    #2D6157

    oklch(45.4% 0.058 179.3)

  • #4A5577

    #4A5577

    oklch(45.4% 0.058 270.2)

  • #714955

    #714955

    oklch(45.4% 0.057 0.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63552F, closest first.

Similar named colors

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

Use #63552F 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.