#513F18#513F18

#513F18 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 37.8% C 0.060 H 84.2°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX#513F18
RGBrgb(81, 63, 24)
HSLhsl(41, 54%, 21%)
HSVhsv(41, 70%, 32%)
CMYKcmyk(0%, 22.2%, 70.4%, 68.2%)
CIE-LABlab(27.77, 2.81, 26.27)
CIE-LCHlch(27.77, 26.42, 83.90°)
OKLaboklab(37.83% 0.0061 0.0602)
OKLCHoklch(37.83% 0.06 84.2)
XYZxyz(5.3360, 5.3706, 1.6196)
Luminance0.0537 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#513F18 #182A51
analogous
#512218 #513F18 #465118
triadic
#513F18 #18513F #3F1851
tetradic
#513F18 #185122 #182A51 #511846
square
#513F18 #185122 #182A51 #511846
split-complementary
#513F18 #184651 #221851
monochromatic
#181207 #221A0A #513F18 #806426 #AF8834

Accessibility & contrast

On white

10.13
#513F18 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.07
#513F18 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513F18
10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##513F18#FFFFFF#000000##FFFFFF
##513F181.0010.132.0710.13
#FFFFFF10.131.0021.001.00
#0000002.0721.001.0021.00
##FFFFFF10.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473F14
Deuteranopia (green-blind)
#4B4319
Tritanopia (blue-blind)
#583936
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #513f18;
/* rgb */ color: rgb(81, 63, 24);
/* oklch */ color: oklch(37.8% 0.060 84.2);
Tailwind
colors: {
  custom: {
    50: '#847357',
    500: '#513f18',
    950: '#000000',
  },
}
SCSS
$custom: #513f18;
$custom-light: #847357;
$custom-dark: #000000;
JSON
{
  "hex": "#513f18",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 24
  },
  "hsl": {
    "h": 41.053,
    "s": 54.286,
    "l": 20.588
  },
  "oklch": {
    "l": 0.37834,
    "c": 0.06048,
    "h": 84.2
  },
  "luminance": 0.0537
}

Semantic roles & 50–950 ramp

primary
#513F18
secondary
#3D5588
accent
#79DE4A
background
#F8F7F5
surface
#EFEDE9
border
#CAC8C5
text
#0B0803
muted
#7C7B78

Preview Lab

Preview with #513F18

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

Preview Lab → · Contrast checker → · Palette generator →

#513F18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva