#511E23#511E23

#511E23 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.077 H 16.7°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#511E23
RGB	rgb(81, 30, 35)
HSL	hsl(354, 46%, 22%)
HSV	hsv(354, 63%, 32%)
CMYK	cmyk(0%, 63%, 56.8%, 68.2%)
CIE-LAB	lab(19.22, 24.40, 8.75)
CIE-LCH	lch(19.22, 25.92, 19.74°)
OKLab	oklab(31.31% 0.0733 0.022)
OKLCH	oklch(31.31% 0.077 16.7)
XYZ	xyz(4.1613, 2.7997, 1.9110)
Luminance	0.0280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E23 #1E514C

analogous

#511E3D #511E23 #51331E

triadic

#511E23 #23511E #1E2351

tetradic

#511E23 #3D511E #1E514C #331E51

square

#511E23 #3D511E #1E514C #331E51

split-complementary

#511E23 #1E5133 #1E3D51

monochromatic

#16080A #240D10 #511E23 #7E2F36 #AA3F4A

Accessibility & contrast

On white

13.46

#511E23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511E23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E23

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E23	#FFFFFF	#000000	##FFFFFF
##511E23	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2823

Deuteranopia (green-blind)

#373322

Tritanopia (blue-blind)

#591620

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511e23;
/* rgb */ color: rgb(81, 30, 35);
/* oklch */ color: oklch(31.3% 0.077 16.7);

Tailwind

colors: {
  custom: {
    50: '#855c5d',
    500: '#511e23',
    950: '#000000',
  },
}

SCSS

$custom: #511e23;
$custom-light: #855c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#511e23",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 35
  },
  "hsl": {
    "h": 354.118,
    "s": 45.946,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31309,
    "c": 0.07657,
    "h": 16.7
  },
  "luminance": 0.02799
}

Semantic roles & 50–950 ramp

primary

#511E23

secondary

#458680

accent

#D6C952

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511E23

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

Preview Lab → · Contrast checker → · Palette generator →