#511F0C#511F0C

#511F0C is a dark, moderate orange. Relative luminance 0.028; OKLCH L 31.0% C 0.081 H 40.1°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#511F0C
RGB	rgb(81, 31, 12)
HSL	hsl(17, 74%, 18%)
HSV	hsv(17, 85%, 32%)
CMYK	cmyk(0%, 61.7%, 85.2%, 68.2%)
CIE-LAB	lab(19.04, 22.15, 23.22)
CIE-LCH	lch(19.04, 32.09, 46.35°)
OKLab	oklab(31.04% 0.0617 0.052)
OKLCH	oklch(31.04% 0.081 40.1)
XYZ	xyz(3.9501, 2.7564, 0.6718)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F0C #0C3E51

analogous

#510C1B #511F0C #51410C

triadic

#511F0C #0C511F #1F0C51

tetradic

#511F0C #1B510C #0C3E51 #410C51

square

#511F0C #1B510C #0C3E51 #410C51

split-complementary

#511F0C #0C5141 #0C1B51

monochromatic

#1B0A04 #1C0B04 #511F0C #863314 #BC481C

Accessibility & contrast

On white

13.54

#511F0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511F0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F0C

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F0C	#FFFFFF	#000000	##FFFFFF
##511F0C	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D270A

Deuteranopia (green-blind)

#39320A

Tritanopia (blue-blind)

#5A141B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511f0c;
/* rgb */ color: rgb(81, 31, 12);
/* oklch */ color: oklch(31.0% 0.081 40.1);

Tailwind

colors: {
  custom: {
    50: '#875c4c',
    500: '#511f0c',
    950: '#000000',
  },
}

SCSS

$custom: #511f0c;
$custom-light: #875c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#511f0c",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 12
  },
  "hsl": {
    "h": 16.522,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31042,
    "c": 0.08069,
    "h": 40.1
  },
  "luminance": 0.02756
}

Semantic roles & 50–950 ramp

primary

#511F0C

secondary

#2C728C

accent

#BEF137

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511F0C

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

Preview Lab → · Contrast checker → · Palette generator →