#511C27#511C27

#511C27 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.080 H 10.3°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#511C27
RGB	rgb(81, 28, 39)
HSL	hsl(348, 49%, 21%)
HSV	hsv(348, 65%, 32%)
CMYK	cmyk(0%, 65.4%, 51.9%, 68.2%)
CIE-LAB	lab(18.91, 25.92, 5.51)
CIE-LCH	lch(18.91, 26.50, 12.01°)
OKLab	oklab(31.11% 0.0786 0.0142)
OKLCH	oklch(31.11% 0.08 10.3)
XYZ	xyz(4.1751, 2.7268, 2.2255)
Luminance	0.0273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C27 #1C5146

analogous

#511C42 #511C27 #512C1C

triadic

#511C27 #27511C #1C2751

tetradic

#511C27 #42511C #1C5146 #2C1C51

square

#511C27 #42511C #1C5146 #2C1C51

split-complementary

#511C27 #1C512C #1C4251

monochromatic

#17080B #240C11 #511C27 #7E2C3D #AC3B53

Accessibility & contrast

On white

13.59

#511C27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511C27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C27

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C27	#FFFFFF	#000000	##FFFFFF
##511C27	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272727

Deuteranopia (green-blind)

#353226

Tritanopia (blue-blind)

#591520

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511c27;
/* rgb */ color: rgb(81, 28, 39);
/* oklch */ color: oklch(31.1% 0.080 10.3);

Tailwind

colors: {
  custom: {
    50: '#855b60',
    500: '#511c27',
    950: '#000000',
  },
}

SCSS

$custom: #511c27;
$custom-light: #855b60;
$custom-dark: #000000;

JSON

{
  "hex": "#511c27",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 39
  },
  "hsl": {
    "h": 347.547,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31112,
    "c": 0.0799,
    "h": 10.3
  },
  "luminance": 0.02726
}

Semantic roles & 50–950 ramp

primary

#511C27

secondary

#428778

accent

#D8BC50

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #511C27

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

Preview Lab → · Contrast checker → · Palette generator →