#511A22#511A22

#511A22 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.7% C 0.082 H 14.7°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#511A22
RGB	rgb(81, 26, 34)
HSL	hsl(351, 51%, 21%)
HSV	hsv(351, 68%, 32%)
CMYK	cmyk(0%, 67.9%, 58%, 68.2%)
CIE-LAB	lab(18.38, 26.46, 8.31)
CIE-LCH	lch(18.38, 27.74, 17.43°)
OKLab	oklab(30.67% 0.0797 0.0209)
OKLCH	oklch(30.67% 0.082 14.7)
XYZ	xyz(4.0518, 2.6041, 1.8023)
Luminance	0.0260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A22 #1A5149

analogous

#511A3D #511A22 #512D1A

triadic

#511A22 #22511A #1A2251

tetradic

#511A22 #3D511A #1A5149 #2D1A51

square

#511A22 #3D511A #1A5149 #2D1A51

split-complementary

#511A22 #1A512D #1A3D51

monochromatic

#17070A #230B0F #511A22 #7F2935 #AE3849

Accessibility & contrast

On white

13.81

#511A22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#511A22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A22

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A22	#FFFFFF	#000000	##FFFFFF
##511A22	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272622

Deuteranopia (green-blind)

#353121

Tritanopia (blue-blind)

#59111D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511a22;
/* rgb */ color: rgb(81, 26, 34);
/* oklch */ color: oklch(30.7% 0.082 14.7);

Tailwind

colors: {
  custom: {
    50: '#865a5c',
    500: '#511a22',
    950: '#000000',
  },
}

SCSS

$custom: #511a22;
$custom-light: #865a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#511a22",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 34
  },
  "hsl": {
    "h": 351.273,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3067,
    "c": 0.08239,
    "h": 14.7
  },
  "luminance": 0.02604
}

Semantic roles & 50–950 ramp

primary

#511A22

secondary

#40877D

accent

#DBC64D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #511A22

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

Preview Lab → · Contrast checker → · Palette generator →