#511A1E#511A1E

#511A1E is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.6% C 0.082 H 19.2°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#511A1E
RGB	rgb(81, 26, 30)
HSL	hsl(356, 51%, 21%)
HSV	hsv(356, 68%, 32%)
CMYK	cmyk(0%, 67.9%, 63%, 68.2%)
CIE-LAB	lab(18.29, 26.09, 11.00)
CIE-LCH	lch(18.29, 28.31, 22.86°)
OKLab	oklab(30.57% 0.0779 0.027)
OKLCH	oklch(30.57% 0.082 19.2)
XYZ	xyz(3.9974, 2.5824, 1.5160)
Luminance	0.0258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A1E #1A514D

analogous

#511A39 #511A1E #51311A

triadic

#511A1E #1E511A #1A1E51

tetradic

#511A1E #39511A #1A514D #311A51

square

#511A1E #39511A #1A514D #311A51

split-complementary

#511A1E #1A5131 #1A3951

monochromatic

#170709 #230B0D #511A1E #7F292F #AE3840

Accessibility & contrast

On white

13.85

#511A1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#511A1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A1E

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A1E	#FFFFFF	#000000	##FFFFFF
##511A1E	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27251E

Deuteranopia (green-blind)

#35311D

Tritanopia (blue-blind)

#59101C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511a1e;
/* rgb */ color: rgb(81, 26, 30);
/* oklch */ color: oklch(30.6% 0.082 19.2);

Tailwind

colors: {
  custom: {
    50: '#865a59',
    500: '#511a1e',
    950: '#000000',
  },
}

SCSS

$custom: #511a1e;
$custom-light: #865a59;
$custom-dark: #000000;

JSON

{
  "hex": "#511a1e",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 30
  },
  "hsl": {
    "h": 355.636,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30567,
    "c": 0.08241,
    "h": 19.2
  },
  "luminance": 0.02582
}

Semantic roles & 50–950 ramp

primary

#511A1E

secondary

#408782

accent

#DBD14D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #511A1E

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

Preview Lab → · Contrast checker → · Palette generator →