#511A23#511A23

#511A23 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.7% C 0.082 H 13.6°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#511A23
RGB	rgb(81, 26, 35)
HSL	hsl(350, 51%, 21%)
HSV	hsv(350, 68%, 32%)
CMYK	cmyk(0%, 67.9%, 56.8%, 68.2%)
CIE-LAB	lab(18.41, 26.56, 7.64)
CIE-LCH	lch(18.41, 27.64, 16.05°)
OKLab	oklab(30.7% 0.0802 0.0193)
OKLCH	oklch(30.7% 0.082 13.6)
XYZ	xyz(4.0664, 2.6100, 1.8794)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A23 #1A5148

analogous

#511A3E #511A23 #512C1A

triadic

#511A23 #23511A #1A2351

tetradic

#511A23 #3E511A #1A5148 #2C1A51

square

#511A23 #3E511A #1A5148 #2C1A51

split-complementary

#511A23 #1A512C #1A3E51

monochromatic

#17070A #230B0F #511A23 #7F2937 #AE384B

Accessibility & contrast

On white

13.80

#511A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#511A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A23

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A23	#FFFFFF	#000000	##FFFFFF
##511A23	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272623

Deuteranopia (green-blind)

#353122

Tritanopia (blue-blind)

#59111E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511a23;
/* rgb */ color: rgb(81, 26, 35);
/* oklch */ color: oklch(30.7% 0.082 13.6);

Tailwind

colors: {
  custom: {
    50: '#865a5d',
    500: '#511a23',
    950: '#000000',
  },
}

SCSS

$custom: #511a23;
$custom-light: #865a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#511a23",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 35
  },
  "hsl": {
    "h": 350.182,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30698,
    "c": 0.08246,
    "h": 13.6
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#511A23

secondary

#40877B

accent

#DBC44D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #511A23

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

Preview Lab → · Contrast checker → · Palette generator →