#513A0B#513A0B

#513A0B is a dark, moderate orange. Relative luminance 0.048; OKLCH L 36.5% C 0.068 H 80.5°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#513A0B
RGB	rgb(81, 58, 11)
HSL	hsl(40, 76%, 18%)
HSV	hsv(40, 86%, 32%)
CMYK	cmyk(0%, 28.4%, 86.4%, 68.2%)
CIE-LAB	lab(26.16, 5.22, 31.06)
CIE-LCH	lch(26.16, 31.50, 80.45°)
OKLab	oklab(36.53% 0.0112 0.0675)
OKLCH	oklch(36.53% 0.068 80.5)
XYZ	xyz(4.9671, 4.8000, 0.9814)
Luminance	0.0480 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513A0B #0B2251

analogous

#51170B #513A0B #45510B

triadic

#513A0B #0B513A #3A0B51

tetradic

#513A0B #0B5117 #0B2251 #510B45

square

#513A0B #0B5117 #0B2251 #510B45

split-complementary

#513A0B #0B4551 #170B51

monochromatic

#1B1304 #1B1304 #513A0B #876112 #BD871A

Accessibility & contrast

On white

10.71

#513A0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#513A0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513A0B

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513A0B	#FFFFFF	#000000	##FFFFFF
##513A0B	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B04

Deuteranopia (green-blind)

#49400D

Tritanopia (blue-blind)

#593331

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #513a0b;
/* rgb */ color: rgb(81, 58, 11);
/* oklch */ color: oklch(36.5% 0.068 80.5);

Tailwind

colors: {
  custom: {
    50: '#856f4e',
    500: '#513a0b',
    950: '#000000',
  },
}

SCSS

$custom: #513a0b;
$custom-light: #856f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#513a0b",
  "rgb": {
    "r": 81,
    "g": 58,
    "b": 11
  },
  "hsl": {
    "h": 40.286,
    "s": 76.087,
    "l": 18.039
  },
  "oklch": {
    "l": 0.36534,
    "c": 0.06842,
    "h": 80.5
  },
  "luminance": 0.048
}

Semantic roles & 50–950 ramp

primary

#513A0B

secondary

#2B4B8D

accent

#73F335

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #513A0B

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

Preview Lab → · Contrast checker → · Palette generator →