#511E25#511E25

#511E25 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.4% C 0.077 H 14.3°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#511E25
RGB	rgb(81, 30, 37)
HSL	hsl(352, 46%, 22%)
HSV	hsv(352, 63%, 32%)
CMYK	cmyk(0%, 63%, 54.3%, 68.2%)
CIE-LAB	lab(19.27, 24.61, 7.42)
CIE-LCH	lch(19.27, 25.71, 16.78°)
OKLab	oklab(31.36% 0.0743 0.0189)
OKLCH	oklch(31.36% 0.077 14.3)
XYZ	xyz(4.1919, 2.8119, 2.0719)
Luminance	0.0281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E25 #1E514A

analogous

#511E3F #511E25 #51311E

triadic

#511E25 #25511E #1E2551

tetradic

#511E25 #3F511E #1E514A #311E51

square

#511E25 #3F511E #1E514A #311E51

split-complementary

#511E25 #1E5131 #1E3F51

monochromatic

#16080A #240D11 #511E25 #7E2F39 #AA3F4E

Accessibility & contrast

On white

13.44

#511E25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511E25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E25

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E25	#FFFFFF	#000000	##FFFFFF
##511E25	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292825

Deuteranopia (green-blind)

#363324

Tritanopia (blue-blind)

#591721

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511e25;
/* rgb */ color: rgb(81, 30, 37);
/* oklch */ color: oklch(31.4% 0.077 14.3);

Tailwind

colors: {
  custom: {
    50: '#855c5f',
    500: '#511e25',
    950: '#000000',
  },
}

SCSS

$custom: #511e25;
$custom-light: #855c5f;
$custom-dark: #000000;

JSON

{
  "hex": "#511e25",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 37
  },
  "hsl": {
    "h": 351.765,
    "s": 45.946,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31364,
    "c": 0.07662,
    "h": 14.3
  },
  "luminance": 0.02811
}

Semantic roles & 50–950 ramp

primary

#511E25

secondary

#45867D

accent

#D6C452

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511E25

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

Preview Lab → · Contrast checker → · Palette generator →