#511F24#511F24

#511F24 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.5% C 0.075 H 16.4°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#511F24
RGB	rgb(81, 31, 36)
HSL	hsl(354, 45%, 22%)
HSV	hsv(354, 62%, 32%)
CMYK	cmyk(0%, 61.7%, 55.6%, 68.2%)
CIE-LAB	lab(19.46, 23.94, 8.38)
CIE-LCH	lch(19.46, 25.37, 19.30°)
OKLab	oklab(31.5% 0.072 0.0211)
OKLCH	oklch(31.5% 0.075 16.4)
XYZ	xyz(4.2021, 2.8572, 1.9989)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F24 #1F514C

analogous

#511F3D #511F24 #51331F

triadic

#511F24 #24511F #1F2451

tetradic

#511F24 #3D511F #1F514C #331F51

square

#511F24 #3D511F #1F514C #331F51

split-complementary

#511F24 #1F5133 #1F3D51

monochromatic

#16080A #250E10 #511F24 #7D3038 #AA414B

Accessibility & contrast

On white

13.36

#511F24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#511F24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F24

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F24	#FFFFFF	#000000	##FFFFFF
##511F24	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2924

Deuteranopia (green-blind)

#373323

Tritanopia (blue-blind)

#591821

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f24;
/* rgb */ color: rgb(81, 31, 36);
/* oklch */ color: oklch(31.5% 0.075 16.4);

Tailwind

colors: {
  custom: {
    50: '#855d5e',
    500: '#511f24',
    950: '#000000',
  },
}

SCSS

$custom: #511f24;
$custom-light: #855d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#511f24",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 36
  },
  "hsl": {
    "h": 354,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31497,
    "c": 0.07507,
    "h": 16.4
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#511F24

secondary

#46867F

accent

#D4C753

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511F24

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

Preview Lab → · Contrast checker → · Palette generator →