#511D26#511D26

#511D26 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.2% C 0.078 H 12.2°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#511D26
RGB	rgb(81, 29, 38)
HSL	hsl(350, 47%, 22%)
HSV	hsv(350, 64%, 32%)
CMYK	cmyk(0%, 64.2%, 53.1%, 68.2%)
CIE-LAB	lab(19.09, 25.27, 6.47)
CIE-LCH	lch(19.09, 26.09, 14.36°)
OKLab	oklab(31.24% 0.0765 0.0166)
OKLCH	oklch(31.24% 0.078 12.2)
XYZ	xyz(4.1829, 2.7685, 2.1474)
Luminance	0.0277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D26 #1D5148

analogous

#511D40 #511D26 #512E1D

triadic

#511D26 #26511D #1D2651

tetradic

#511D26 #40511D #1D5148 #2E1D51

square

#511D26 #40511D #1D5148 #2E1D51

split-complementary

#511D26 #1D512E #1D4051

monochromatic

#17080B #240D11 #511D26 #7E2D3B #AB3D50

Accessibility & contrast

On white

13.52

#511D26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511D26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D26

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D26	#FFFFFF	#000000	##FFFFFF
##511D26	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282826

Deuteranopia (green-blind)

#363225

Tritanopia (blue-blind)

#591620

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511d26;
/* rgb */ color: rgb(81, 29, 38);
/* oklch */ color: oklch(31.2% 0.078 12.2);

Tailwind

colors: {
  custom: {
    50: '#855c60',
    500: '#511d26',
    950: '#000000',
  },
}

SCSS

$custom: #511d26;
$custom-light: #855c60;
$custom-dark: #000000;

JSON

{
  "hex": "#511d26",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 38
  },
  "hsl": {
    "h": 349.615,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31236,
    "c": 0.07823,
    "h": 12.2
  },
  "luminance": 0.02768
}

Semantic roles & 50–950 ramp

primary

#511D26

secondary

#44867B

accent

#D7C051

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511D26

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

Preview Lab → · Contrast checker → · Palette generator →