#511507#511507

#511507 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.092 H 34.4°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#511507
RGB	rgb(81, 21, 7)
HSL	hsl(11, 84%, 17%)
HSV	hsv(11, 91%, 32%)
CMYK	cmyk(0%, 74.1%, 91.4%, 68.2%)
CIE-LAB	lab(17.00, 27.23, 22.86)
CIE-LCH	lch(17.00, 35.56, 40.01°)
OKLab	oklab(29.48% 0.0763 0.0523)
OKLCH	oklch(29.48% 0.092 34.4)
XYZ	xyz(3.7003, 2.3016, 0.4504)
Luminance	0.0230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511507 #074351

analogous

#51071E #511507 #513A07

triadic

#511507 #075115 #150751

tetradic

#511507 #1E5107 #074351 #3A0751

square

#511507 #1E5107 #074351 #3A0751

split-complementary

#511507 #07513A #071E51

monochromatic

#1C0702 #1C0702 #511507 #89240C #C23211

Accessibility & contrast

On white

14.38

#511507 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#511507 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511507

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511507	#FFFFFF	#000000	##FFFFFF
##511507	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272105

Deuteranopia (green-blind)

#352F05

Tritanopia (blue-blind)

#5A0312

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511507;
/* rgb */ color: rgb(81, 21, 7);
/* oklch */ color: oklch(29.5% 0.092 34.4);

Tailwind

colors: {
  custom: {
    50: '#88564a',
    500: '#511507',
    950: '#000000',
  },
}

SCSS

$custom: #511507;
$custom-light: #88564a;
$custom-dark: #000000;

JSON

{
  "hex": "#511507",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 7
  },
  "hsl": {
    "h": 11.351,
    "s": 84.091,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29482,
    "c": 0.09249,
    "h": 34.4
  },
  "luminance": 0.02301
}

Semantic roles & 50–950 ramp

primary

#511507

secondary

#257B8F

accent

#D4FA2D

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0301

muted

#7D7877

Preview Lab

Preview with #511507

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

Preview Lab → · Contrast checker → · Palette generator →