#513B0B#513B0B

#513B0B is a dark, moderate orange. Relative luminance 0.049; OKLCH L 36.8% C 0.069 H 82.1°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX#513B0B
RGBrgb(81, 59, 11)
HSLhsl(41, 76%, 18%)
HSVhsv(41, 86%, 32%)
CMYKcmyk(0%, 27.2%, 86.4%, 68.2%)
CIE-LABlab(26.45, 4.58, 31.33)
CIE-LCHlch(26.45, 31.67, 81.68°)
OKLaboklab(36.77% 0.0094 0.0681)
OKLCHoklch(36.77% 0.069 82.1)
XYZxyz(5.0180, 4.9018, 0.9984)
Luminance0.0490 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#513B0B #0B2151
analogous
#51180B #513B0B #44510B
triadic
#513B0B #0B513B #3B0B51
tetradic
#513B0B #0B5118 #0B2151 #510B44
square
#513B0B #0B5118 #0B2151 #510B44
split-complementary
#513B0B #0B4451 #180B51
monochromatic
#1B1404 #1B1404 #513B0B #876212 #BD891A

Accessibility & contrast

On white

10.60
#513B0B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#513B0B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513B0B
10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##513B0B#FFFFFF#000000##FFFFFF
##513B0B1.0010.601.9810.60
#FFFFFF10.601.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#443B04
Deuteranopia (green-blind)
#49410D
Tritanopia (blue-blind)
#593432
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #513b0b;
/* rgb */ color: rgb(81, 59, 11);
/* oklch */ color: oklch(36.8% 0.069 82.1);
Tailwind
colors: {
  custom: {
    50: '#85704e',
    500: '#513b0b',
    950: '#000000',
  },
}
SCSS
$custom: #513b0b;
$custom-light: #85704e;
$custom-dark: #000000;
JSON
{
  "hex": "#513b0b",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 11
  },
  "hsl": {
    "h": 41.143,
    "s": 76.087,
    "l": 18.039
  },
  "oklch": {
    "l": 0.36766,
    "c": 0.06872,
    "h": 82.1
  },
  "luminance": 0.04901
}

Semantic roles & 50–950 ramp

primary
#513B0B
secondary
#2B4A8D
accent
#71F335
background
#F8F6F4
surface
#F0ECE7
border
#CBC7C3
text
#0B0702
muted
#7C7A78

Preview Lab

Preview with #513B0B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#513B0B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva