#511F0D#511F0D

#511F0D is a dark, moderate orange. Relative luminance 0.028; OKLCH L 31.1% C 0.080 H 39.4°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#511F0D
RGB	rgb(81, 31, 13)
HSL	hsl(16, 72%, 18%)
HSV	hsv(16, 84%, 32%)
CMYK	cmyk(0%, 61.7%, 84%, 68.2%)
CIE-LAB	lab(19.05, 22.20, 22.76)
CIE-LCH	lch(19.05, 31.80, 45.72°)
OKLab	oklab(31.05% 0.0621 0.051)
OKLCH	oklch(31.05% 0.08 39.4)
XYZ	xyz(3.9564, 2.7589, 0.7049)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F0D #0D3F51

analogous

#510D1D #511F0D #51410D

triadic

#511F0D #0D511F #1F0D51

tetradic

#511F0D #1D510D #0D3F51 #410D51

square

#511F0D #1D510D #0D3F51 #410D51

split-complementary

#511F0D #0D5141 #0D1D51

monochromatic

#1A0A04 #1C0B05 #511F0D #863315 #BA471E

Accessibility & contrast

On white

13.53

#511F0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511F0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F0D

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F0D	#FFFFFF	#000000	##FFFFFF
##511F0D	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D270B

Deuteranopia (green-blind)

#39320C

Tritanopia (blue-blind)

#5A141B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511f0d;
/* rgb */ color: rgb(81, 31, 13);
/* oklch */ color: oklch(31.1% 0.080 39.4);

Tailwind

colors: {
  custom: {
    50: '#875c4d',
    500: '#511f0d',
    950: '#000000',
  },
}

SCSS

$custom: #511f0d;
$custom-light: #875c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#511f0d",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 13
  },
  "hsl": {
    "h": 15.882,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.31053,
    "c": 0.08036,
    "h": 39.4
  },
  "luminance": 0.02758
}

Semantic roles & 50–950 ramp

primary

#511F0D

secondary

#2E738C

accent

#BFEF39

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511F0D

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

Preview Lab → · Contrast checker → · Palette generator →