#511015#511015

#511015 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.1% C 0.095 H 21.5°. Best body text is #FFFFFF at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#511015
RGB	rgb(81, 16, 21)
HSL	hsl(355, 67%, 19%)
HSV	hsv(355, 80%, 32%)
CMYK	cmyk(0%, 80.2%, 74.1%, 68.2%)
CIE-LAB	lab(16.38, 30.12, 14.89)
CIE-LCH	lch(16.38, 33.59, 26.30°)
OKLab	oklab(29.08% 0.0887 0.0349)
OKLCH	oklch(29.08% 0.095 21.5)
XYZ	xyz(3.7144, 2.1746, 0.9335)
Luminance	0.0217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511015 #10514C

analogous

#511036 #511015 #512C10

triadic

#511015 #155110 #101551

tetradic

#511015 #365110 #10514C #2C1051

square

#511015 #365110 #10514C #2C1051

split-complementary

#511015 #10512C #103651

monochromatic

#1A0507 #1E0608 #511015 #841A22 #B7242F

Accessibility & contrast

On white

14.64

#511015 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#511015 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511015

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511015	#FFFFFF	#000000	##FFFFFF
##511015	1.00	14.64	1.43	14.64
#FFFFFF	14.64	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232015

Deuteranopia (green-blind)

#332E13

Tritanopia (blue-blind)

#5A0012

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511015;
/* rgb */ color: rgb(81, 16, 21);
/* oklch */ color: oklch(29.1% 0.095 21.5);

Tailwind

colors: {
  custom: {
    50: '#885452',
    500: '#511015',
    950: '#000000',
  },
}

SCSS

$custom: #511015;
$custom-light: #885452;
$custom-dark: #000000;

JSON

{
  "hex": "#511015",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 21
  },
  "hsl": {
    "h": 355.385,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2908,
    "c": 0.09528,
    "h": 21.5
  },
  "luminance": 0.02174
}

Semantic roles & 50–950 ramp

primary

#511015

secondary

#328B84

accent

#EADD3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511015

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

Preview Lab → · Contrast checker → · Palette generator →