#86370D

Closest named color: Rust Brown (#8B3103). oklch(44% 0.12 43.8), rgb(134, 55, 13).

Aa

White text reads best on this color (8.18:1).

About this color

#86370D is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.120 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.014 away. White text reads best on it, at 8.18:1.

Hue familyBrowns
Lightnessdark (44%)
Chromamoderately saturated (0.120)
Temperaturewarm
Nearest nameRust Brown (#8B3103)
Black text2.56:1
White text8.18:1

Values

HEX#86370D
RGBrgb(134, 55, 13)
HSLhsl(21, 82%, 29%)
OKLCHoklch(44% 0.12 43.8)

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 #86370D 8.18:1 AAA Lc -92.3 Preferred for body text
Black text on #86370D 2.56:1 Fails Lc 16.4 Dividers and decoration only
#86370D text on white 8.18:1 AAA Lc 87.6 Fine for body text
#86370D text on black 2.56:1 Fails Lc -14.5 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

    #FBF4F0

    oklch(97.1% 0.009 52.1)

  2. Step 100

    100

    #F6E6DF

    oklch(93.6% 0.02 45.3)

  3. Step 200

    200

    #F0D2C5

    oklch(88.5% 0.038 44.8)

  4. Step 300

    300

    #E8B39C

    oklch(80.9% 0.07 44.6)

  5. Step 400

    400

    #DB8966

    oklch(70.8% 0.112 43.7)

  6. Step 500

    500

    #CF683A

    oklch(63.1% 0.144 43.3)

  7. Step 600

    600

    #BA4D10

    oklch(55.6% 0.155 43.8)

  8. Step 700

    700

    #A03E00

    oklch(49.2% 0.143 44)

  9. Step 800

    800 (this color)

    #86370D

    oklch(44% 0.12 43.8)

  10. Step 900

    900

    #692E12

    oklch(37.8% 0.093 43.6)

  11. Step 950

    950

    #3E1C0C

    oklch(27.2% 0.059 44.5)

Export this scale for Tailwind in the Tailwind colors tool

#86370D 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)#4E44050.113
Deuteranopia (no green cones)#6156090.103
Tritanopia (no blue cones)#94242F0.060
Achromatopsia (no color)#4F4F4F0.120

Harmonies

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

Complementary

The opposite hue (180°).

  • #86370D

    #86370D

    oklch(44% 0.12 43.8)

  • #005C74

    #005C74

    oklch(44.1% 0.082 223.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #86370D

    #86370D

    oklch(44% 0.12 43.8)

  • #87303E

    #87303E

    oklch(43.9% 0.119 13.8)

  • #714900

    #714900

    oklch(44% 0.094 73.4)

Open the analogous palette in the generator

Split complementary

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

  • #86370D

    #86370D

    oklch(44% 0.12 43.8)

  • #005F5E

    #005F5E

    oklch(43.9% 0.075 193.5)

  • #185392

    #185392

    oklch(44% 0.119 253.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #86370D

    #86370D

    oklch(44% 0.12 43.8)

  • #006244

    #006244

    oklch(43.9% 0.094 163.9)

  • #4C4691

    #4C4691

    oklch(43.9% 0.12 283.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #86370D

    #86370D

    oklch(44% 0.12 43.8)

  • #35600A

    #35600A

    oklch(44.1% 0.12 133.8)

  • #005C74

    #005C74

    oklch(44.1% 0.082 223.5)

  • #6A3B80

    #6A3B80

    oklch(44% 0.12 314)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #86370D, closest first.

Similar named colors

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

Use #86370D 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.