#511F2A#511F2A

#511F2A is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.076 H 8.8°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#511F2A
RGB	rgb(81, 31, 42)
HSL	hsl(347, 45%, 22%)
HSV	hsv(347, 62%, 32%)
CMYK	cmyk(0%, 61.7%, 48.1%, 68.2%)
CIE-LAB	lab(19.63, 24.62, 4.41)
CIE-LCH	lch(19.63, 25.01, 10.15°)
OKLab	oklab(31.67% 0.0748 0.0115)
OKLCH	oklch(31.67% 0.076 8.8)
XYZ	xyz(4.3015, 2.8969, 2.5227)
Luminance	0.0290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F2A #1F5146

analogous

#511F43 #511F2A #512D1F

triadic

#511F2A #2A511F #1F2A51

tetradic

#511F2A #43511F #1F5146 #2D1F51

square

#511F2A #43511F #1F5146 #2D1F51

split-complementary

#511F2A #1F512D #1F4351

monochromatic

#16080B #250E13 #511F2A #7D3041 #AA4158

Accessibility & contrast

On white

13.30

#511F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#511F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F2A

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F2A	#FFFFFF	#000000	##FFFFFF
##511F2A	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29292A

Deuteranopia (green-blind)

#363329

Tritanopia (blue-blind)

#581923

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f2a;
/* rgb */ color: rgb(81, 31, 42);
/* oklch */ color: oklch(31.7% 0.076 8.8);

Tailwind

colors: {
  custom: {
    50: '#855d63',
    500: '#511f2a',
    950: '#000000',
  },
}

SCSS

$custom: #511f2a;
$custom-light: #855d63;
$custom-dark: #000000;

JSON

{
  "hex": "#511f2a",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 42
  },
  "hsl": {
    "h": 346.8,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31674,
    "c": 0.07566,
    "h": 8.8
  },
  "luminance": 0.02896
}

Semantic roles & 50–950 ramp

primary

#511F2A

secondary

#468678

accent

#D4B853

background

#F8F5F5

surface

#EFE9EA

border

#CAC5C6

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #511F2A

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

Preview Lab → · Contrast checker → · Palette generator →