#511A16#511A16

#511A16 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.084 H 27.3°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#511A16
RGB	rgb(81, 26, 22)
HSL	hsl(4, 57%, 20%)
HSV	hsv(4, 73%, 32%)
CMYK	cmyk(0%, 67.9%, 72.8%, 68.2%)
CIE-LAB	lab(18.13, 25.47, 16.34)
CIE-LCH	lch(18.13, 30.26, 32.69°)
OKLab	oklab(30.4% 0.0742 0.0383)
OKLCH	oklch(30.4% 0.084 27.3)
XYZ	xyz(3.9079, 2.5466, 1.0447)
Luminance	0.0255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A16 #164D51

analogous

#51162F #511A16 #513816

triadic

#511A16 #16511A #1A1651

tetradic

#511A16 #2F5116 #164D51 #381651

square

#511A16 #2F5116 #164D51 #381651

split-complementary

#511A16 #165138 #162F51

monochromatic

#180807 #210B09 #511A16 #812923 #B13930

Accessibility & contrast

On white

13.91

#511A16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#511A16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A16

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A16	#FFFFFF	#000000	##FFFFFF
##511A16	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292515

Deuteranopia (green-blind)

#363114

Tritanopia (blue-blind)

#5A0E19

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a16;
/* rgb */ color: rgb(81, 26, 22);
/* oklch */ color: oklch(30.4% 0.084 27.3);

Tailwind

colors: {
  custom: {
    50: '#875953',
    500: '#511a16',
    950: '#000000',
  },
}

SCSS

$custom: #511a16;
$custom-light: #875953;
$custom-dark: #000000;

JSON

{
  "hex": "#511a16",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 22
  },
  "hsl": {
    "h": 4.068,
    "s": 57.282,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30396,
    "c": 0.0835,
    "h": 27.3
  },
  "luminance": 0.02546
}

Semantic roles & 50–950 ramp

primary

#511A16

secondary

#3A8388

accent

#D6E147

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511A16

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

Preview Lab → · Contrast checker → · Palette generator →