#511E0F#511E0F

#511E0F is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.9% C 0.081 H 37.0°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#511E0F
RGB	rgb(81, 30, 15)
HSL	hsl(14, 69%, 19%)
HSV	hsv(14, 81%, 32%)
CMYK	cmyk(0%, 63%, 81.5%, 68.2%)
CIE-LAB	lab(18.86, 22.87, 21.53)
CIE-LCH	lch(18.86, 31.41, 43.27°)
OKLab	oklab(30.91% 0.0645 0.0486)
OKLCH	oklch(30.91% 0.081 37)
XYZ	xyz(3.9442, 2.7129, 0.7678)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E0F #0F4251

analogous

#510F21 #511E0F #513F0F

triadic

#511E0F #0F511E #1E0F51

tetradic

#511E0F #21510F #0F4251 #3F0F51

square

#511E0F #21510F #0F4251 #3F0F51

split-complementary

#511E0F #0F513F #0F2151

monochromatic

#1A0A05 #1D0B05 #511E0F #853119 #B84422

Accessibility & contrast

On white

13.62

#511E0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#511E0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E0F

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E0F	#FFFFFF	#000000	##FFFFFF
##511E0F	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)

#2C270D

Deuteranopia (green-blind)

#39320E

Tritanopia (blue-blind)

#5A131B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e0f;
/* rgb */ color: rgb(81, 30, 15);
/* oklch */ color: oklch(30.9% 0.081 37.0);

Tailwind

colors: {
  custom: {
    50: '#875c4e',
    500: '#511e0f',
    950: '#000000',
  },
}

SCSS

$custom: #511e0f;
$custom-light: #875c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#511e0f",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 15
  },
  "hsl": {
    "h": 13.636,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.30912,
    "c": 0.08077,
    "h": 37
  },
  "luminance": 0.02712
}

Semantic roles & 50–950 ramp

primary

#511E0F

secondary

#31778B

accent

#C4EC3C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511E0F

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

Preview Lab → · Contrast checker → · Palette generator →