#511310#511310

#511310 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.3% C 0.093 H 27.2°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#511310
RGB	rgb(81, 19, 16)
HSL	hsl(3, 67%, 19%)
HSV	hsv(3, 80%, 32%)
CMYK	cmyk(0%, 76.5%, 80.2%, 68.2%)
CIE-LAB	lab(16.76, 28.55, 18.47)
CIE-LCH	lch(16.76, 34.00, 32.91°)
OKLab	oklab(29.34% 0.0825 0.0424)
OKLCH	oklch(29.34% 0.093 27.2)
XYZ	xyz(3.7202, 2.2530, 0.7291)
Luminance	0.0225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511310 #104E51

analogous

#51102E #511310 #513410

triadic

#511310 #105113 #131051

tetradic

#511310 #2E5110 #104E51 #341051

square

#511310 #2E5110 #104E51 #341051

split-complementary

#511310 #105134 #102E51

monochromatic

#1A0605 #1E0706 #511310 #841F1A #B72B24

Accessibility & contrast

On white

14.48

#511310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#511310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511310

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511310	#FFFFFF	#000000	##FFFFFF
##511310	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25210F

Deuteranopia (green-blind)

#342E0E

Tritanopia (blue-blind)

#5A0113

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511310;
/* rgb */ color: rgb(81, 19, 16);
/* oklch */ color: oklch(29.3% 0.093 27.2);

Tailwind

colors: {
  custom: {
    50: '#88554e',
    500: '#511310',
    950: '#000000',
  },
}

SCSS

$custom: #511310;
$custom-light: #88554e;
$custom-dark: #000000;

JSON

{
  "hex": "#511310",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 16
  },
  "hsl": {
    "h": 2.769,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29341,
    "c": 0.09273,
    "h": 27.2
  },
  "luminance": 0.02252
}

Semantic roles & 50–950 ramp

primary

#511310

secondary

#32878B

accent

#E2EA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #511310

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

Preview Lab → · Contrast checker → · Palette generator →