#51390D#51390D

#51390D is a dark, moderate orange. Relative luminance 0.047; OKLCH L 36.3% C 0.067 H 78.3°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#51390D
RGB	rgb(81, 57, 13)
HSL	hsl(39, 72%, 18%)
HSV	hsv(39, 84%, 32%)
CMYK	cmyk(0%, 29.6%, 84%, 68.2%)
CIE-LAB	lab(25.88, 5.96, 29.91)
CIE-LCH	lch(25.88, 30.50, 78.74°)
OKLab	oklab(36.32% 0.0136 0.0656)
OKLCH	oklch(36.32% 0.067 78.3)
XYZ	xyz(4.9295, 4.7050, 1.0292)
Luminance	0.0471 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51390D #0D2551

analogous

#51170D #51390D #47510D

triadic

#51390D #0D5139 #390D51

tetradic

#51390D #0D5117 #0D2551 #510D47

square

#51390D #0D5117 #0D2551 #510D47

split-complementary

#51390D #0D4751 #170D51

monochromatic

#1A1304 #1C1405 #51390D #865E15 #BA831E

Accessibility & contrast

On white

10.82

#51390D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#51390D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51390D

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51390D	#FFFFFF	#000000	##FFFFFF
##51390D	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A06

Deuteranopia (green-blind)

#48400F

Tritanopia (blue-blind)

#593230

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #51390d;
/* rgb */ color: rgb(81, 57, 13);
/* oklch */ color: oklch(36.3% 0.067 78.3);

Tailwind

colors: {
  custom: {
    50: '#856f4f',
    500: '#51390d',
    950: '#000000',
  },
}

SCSS

$custom: #51390d;
$custom-light: #856f4f;
$custom-dark: #000000;

JSON

{
  "hex": "#51390d",
  "rgb": {
    "r": 81,
    "g": 57,
    "b": 13
  },
  "hsl": {
    "h": 38.824,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.3632,
    "c": 0.06695,
    "h": 78.3
  },
  "luminance": 0.04705
}

Semantic roles & 50–950 ramp

primary

#51390D

secondary

#2E4F8C

accent

#79EF39

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0B0702

muted

#7C7A78

Preview Lab

Preview with #51390D

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

Preview Lab → · Contrast checker → · Palette generator →