#511A0C#511A0C

#511A0C is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.2% C 0.086 H 35.3°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#511A0C
RGB	rgb(81, 26, 12)
HSL	hsl(12, 74%, 18%)
HSV	hsv(12, 85%, 32%)
CMYK	cmyk(0%, 67.9%, 85.2%, 68.2%)
CIE-LAB	lab(17.99, 24.91, 21.98)
CIE-LCH	lch(17.99, 33.22, 41.42°)
OKLab	oklab(30.25% 0.0702 0.0497)
OKLCH	oklch(30.25% 0.086 35.3)
XYZ	xyz(3.8295, 2.5152, 0.6316)
Luminance	0.0251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A0C #0C4351

analogous

#510C20 #511A0C #513C0C

triadic

#511A0C #0C511A #1A0C51

tetradic

#511A0C #20510C #0C4351 #3C0C51

square

#511A0C #20510C #0C4351 #3C0C51

split-complementary

#511A0C #0C513C #0C2051

monochromatic

#1B0904 #1C0904 #511A0C #862B14 #BC3C1C

Accessibility & contrast

On white

13.97

#511A0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#511A0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A0C

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A0C	#FFFFFF	#000000	##FFFFFF
##511A0C	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29240A

Deuteranopia (green-blind)

#37310A

Tritanopia (blue-blind)

#5A0C17

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a0c;
/* rgb */ color: rgb(81, 26, 12);
/* oklch */ color: oklch(30.2% 0.086 35.3);

Tailwind

colors: {
  custom: {
    50: '#87594c',
    500: '#511a0c',
    950: '#000000',
  },
}

SCSS

$custom: #511a0c;
$custom-light: #87594c;
$custom-dark: #000000;

JSON

{
  "hex": "#511a0c",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 12
  },
  "hsl": {
    "h": 12.174,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30245,
    "c": 0.086,
    "h": 35.3
  },
  "luminance": 0.02515
}

Semantic roles & 50–950 ramp

primary

#511A0C

secondary

#2C798C

accent

#CBF137

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511A0C

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

Preview Lab → · Contrast checker → · Palette generator →