#511D27#511D27

#511D27 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.078 H 11.0°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#511D27
RGB	rgb(81, 29, 39)
HSL	hsl(348, 47%, 22%)
HSV	hsv(348, 64%, 32%)
CMYK	cmyk(0%, 64.2%, 51.9%, 68.2%)
CIE-LAB	lab(19.12, 25.38, 5.80)
CIE-LCH	lch(19.12, 26.04, 12.87°)
OKLab	oklab(31.26% 0.0769 0.015)
OKLCH	oklch(31.26% 0.078 11)
XYZ	xyz(4.1992, 2.7750, 2.2336)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D27 #1D5147

analogous

#511D41 #511D27 #512D1D

triadic

#511D27 #27511D #1D2751

tetradic

#511D27 #41511D #1D5147 #2D1D51

square

#511D27 #41511D #1D5147 #2D1D51

split-complementary

#511D27 #1D512D #1D4151

monochromatic

#17080B #240D11 #511D27 #7E2D3D #AB3D52

Accessibility & contrast

On white

13.50

#511D27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511D27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D27

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D27	#FFFFFF	#000000	##FFFFFF
##511D27	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282827

Deuteranopia (green-blind)

#353226

Tritanopia (blue-blind)

#581621

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511d27;
/* rgb */ color: rgb(81, 29, 39);
/* oklch */ color: oklch(31.3% 0.078 11.0);

Tailwind

colors: {
  custom: {
    50: '#855c60',
    500: '#511d27',
    950: '#000000',
  },
}

SCSS

$custom: #511d27;
$custom-light: #855c60;
$custom-dark: #000000;

JSON

{
  "hex": "#511d27",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 39
  },
  "hsl": {
    "h": 348.462,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31265,
    "c": 0.07835,
    "h": 11
  },
  "luminance": 0.02775
}

Semantic roles & 50–950 ramp

primary

#511D27

secondary

#448679

accent

#D7BD51

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #511D27

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

Preview Lab → · Contrast checker → · Palette generator →