#511511#511511

#511511 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.090 H 27.8°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#511511
RGB	rgb(81, 21, 17)
HSL	hsl(4, 65%, 19%)
HSV	hsv(4, 79%, 32%)
CMYK	cmyk(0%, 74.1%, 79%, 68.2%)
CIE-LAB	lab(17.12, 27.67, 18.34)
CIE-LCH	lch(17.12, 33.20, 33.53°)
OKLab	oklab(29.61% 0.0799 0.0421)
OKLCH	oklch(29.61% 0.09 27.8)
XYZ	xyz(3.7631, 2.3267, 0.7811)
Luminance	0.0233 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511511 #114D51

analogous

#51112D #511511 #513511

triadic

#511511 #115115 #151151

tetradic

#511511 #2D5111 #114D51 #351151

square

#511511 #2D5111 #114D51 #351151

split-complementary

#511511 #115135 #112D51

monochromatic

#190705 #1E0806 #511511 #84221C #B62F26

Accessibility & contrast

On white

14.33

#511511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#511511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511511

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511511	#FFFFFF	#000000	##FFFFFF
##511511	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262210

Deuteranopia (green-blind)

#352F0F

Tritanopia (blue-blind)

#5A0415

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511511;
/* rgb */ color: rgb(81, 21, 17);
/* oklch */ color: oklch(29.6% 0.090 27.8);

Tailwind

colors: {
  custom: {
    50: '#88564f',
    500: '#511511',
    950: '#000000',
  },
}

SCSS

$custom: #511511;
$custom-light: #88564f;
$custom-dark: #000000;

JSON

{
  "hex": "#511511",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 17
  },
  "hsl": {
    "h": 3.75,
    "s": 65.306,
    "l": 19.216
  },
  "oklch": {
    "l": 0.2961,
    "c": 0.09035,
    "h": 27.8
  },
  "luminance": 0.02326
}

Semantic roles & 50–950 ramp

primary

#511511

secondary

#34858A

accent

#DEE840

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511511

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

Preview Lab → · Contrast checker → · Palette generator →