#51380F#51380F

#51380F is a dark, moderate orange. Relative luminance 0.046; OKLCH L 36.1% C 0.065 H 75.8°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX#51380F
RGBrgb(81, 56, 15)
HSLhsl(37, 69%, 19%)
HSVhsv(37, 81%, 32%)
CMYKcmyk(0%, 30.9%, 81.5%, 68.2%)
CIE-LABlab(25.60, 6.70, 28.70)
CIE-LCHlch(25.60, 29.47, 76.86°)
OKLaboklab(36.11% 0.0161 0.0635)
OKLCHoklch(36.11% 0.065 75.8)
XYZxyz(4.8941, 4.6126, 1.0844)
Luminance0.0461 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51380F #0F2851
analogous
#51170F #51380F #49510F
triadic
#51380F #0F5138 #380F51
tetradic
#51380F #0F5117 #0F2851 #510F49
square
#51380F #0F5117 #0F2851 #510F49
split-complementary
#51380F #0F4951 #170F51
monochromatic
#1A1205 #1D1405 #51380F #855C19 #B87F22

Accessibility & contrast

On white

10.92
#51380F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#51380F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51380F
10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51380F#FFFFFF#000000##FFFFFF
##51380F1.0010.921.9210.92
#FFFFFF10.921.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#413909
Deuteranopia (green-blind)
#473F10
Tritanopia (blue-blind)
#593130
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #51380f;
/* rgb */ color: rgb(81, 56, 15);
/* oklch */ color: oklch(36.1% 0.065 75.8);
Tailwind
colors: {
  custom: {
    50: '#856e50',
    500: '#51380f',
    950: '#000000',
  },
}
SCSS
$custom: #51380f;
$custom-light: #856e50;
$custom-dark: #000000;
JSON
{
  "hex": "#51380f",
  "rgb": {
    "r": 81,
    "g": 56,
    "b": 15
  },
  "hsl": {
    "h": 37.273,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.36109,
    "c": 0.06546,
    "h": 75.8
  },
  "luminance": 0.04612
}

Semantic roles & 50–950 ramp

primary
#51380F
secondary
#31538B
accent
#7FEC3C
background
#F8F6F4
surface
#F0EBE7
border
#CBC6C3
text
#0B0702
muted
#7C7A78

Preview Lab

Preview with #51380F

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

Preview Lab → · Contrast checker → · Palette generator →

#51380F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva