#51390C#51390C

#51390C is a dark, moderate orange. Relative luminance 0.047; OKLCH L 36.3% C 0.068 H 78.6°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#51390C
RGB	rgb(81, 57, 12)
HSL	hsl(39, 74%, 18%)
HSV	hsv(39, 85%, 32%)
CMYK	cmyk(0%, 29.6%, 85.2%, 68.2%)
CIE-LAB	lab(25.87, 5.91, 30.36)
CIE-LCH	lch(25.87, 30.93, 78.98°)
OKLab	oklab(36.31% 0.0134 0.0663)
OKLCH	oklch(36.31% 0.068 78.6)
XYZ	xyz(4.9232, 4.7025, 0.9961)
Luminance	0.0470 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51390C #0C2451

analogous

#51160C #51390C #46510C

triadic

#51390C #0C5139 #390C51

tetradic

#51390C #0C5116 #0C2451 #510C46

square

#51390C #0C5116 #0C2451 #510C46

split-complementary

#51390C #0C4651 #160C51

monochromatic

#1B1304 #1C1304 #51390C #865F14 #BC841C

Accessibility & contrast

On white

10.82

#51390C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#51390C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51390C

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51390C	#FFFFFF	#000000	##FFFFFF
##51390C	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)

#423A05

Deuteranopia (green-blind)

#48400E

Tritanopia (blue-blind)

#593230

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #51390c;
/* rgb */ color: rgb(81, 57, 12);
/* oklch */ color: oklch(36.3% 0.068 78.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51390c",
  "rgb": {
    "r": 81,
    "g": 57,
    "b": 12
  },
  "hsl": {
    "h": 39.13,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.36312,
    "c": 0.06758,
    "h": 78.6
  },
  "luminance": 0.04702
}

Semantic roles & 50–950 ramp

primary

#51390C

secondary

#2C4E8C

accent

#78F137

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #51390C

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

Preview Lab → · Contrast checker → · Palette generator →