#511E0D#511E0D

#511E0D is a dark, moderate orange. Relative luminance 0.027; OKLCH L 30.9% C 0.081 H 38.4°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#511E0D
RGB	rgb(81, 30, 13)
HSL	hsl(15, 72%, 18%)
HSV	hsv(15, 84%, 32%)
CMYK	cmyk(0%, 63%, 84%, 68.2%)
CIE-LAB	lab(18.83, 22.77, 22.51)
CIE-LCH	lch(18.83, 32.02, 44.67°)
OKLab	oklab(30.89% 0.0638 0.0506)
OKLCH	oklch(30.89% 0.081 38.4)
XYZ	xyz(3.9307, 2.7075, 0.6963)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E0D #0D4051

analogous

#510D1E #511E0D #51400D

triadic

#511E0D #0D511E #1E0D51

tetradic

#511E0D #1E510D #0D4051 #400D51

square

#511E0D #1E510D #0D4051 #400D51

split-complementary

#511E0D #0D5140 #0D1E51

monochromatic

#1A0A04 #1C0A05 #511E0D #863215 #BA451E

Accessibility & contrast

On white

13.62

#511E0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#511E0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E0D

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E0D	#FFFFFF	#000000	##FFFFFF
##511E0D	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270B

Deuteranopia (green-blind)

#39320B

Tritanopia (blue-blind)

#5A121A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e0d;
/* rgb */ color: rgb(81, 30, 13);
/* oklch */ color: oklch(30.9% 0.081 38.4);

Tailwind

colors: {
  custom: {
    50: '#875c4d',
    500: '#511e0d',
    950: '#000000',
  },
}

SCSS

$custom: #511e0d;
$custom-light: #875c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#511e0d",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 13
  },
  "hsl": {
    "h": 15,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.30887,
    "c": 0.08141,
    "h": 38.4
  },
  "luminance": 0.02707
}

Semantic roles & 50–950 ramp

primary

#511E0D

secondary

#2E748C

accent

#C1EF39

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511E0D

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

Preview Lab → · Contrast checker → · Palette generator →