#511F28#511F28

#511F28 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.6% C 0.075 H 11.3°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#511F28
RGB	rgb(81, 31, 40)
HSL	hsl(349, 45%, 22%)
HSV	hsv(349, 62%, 32%)
CMYK	cmyk(0%, 61.7%, 50.6%, 68.2%)
CIE-LAB	lab(19.57, 24.38, 5.73)
CIE-LCH	lch(19.57, 25.05, 13.22°)
OKLab	oklab(31.61% 0.0739 0.0148)
OKLCH	oklch(31.61% 0.075 11.3)
XYZ	xyz(4.2666, 2.8830, 2.3389)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F28 #1F5148

analogous

#511F41 #511F28 #512F1F

triadic

#511F28 #28511F #1F2851

tetradic

#511F28 #41511F #1F5148 #2F1F51

square

#511F28 #41511F #1F5148 #2F1F51

split-complementary

#511F28 #1F512F #1F4151

monochromatic

#16080B #250E12 #511F28 #7D303E #AA4154

Accessibility & contrast

On white

13.32

#511F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#511F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F28

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F28	#FFFFFF	#000000	##FFFFFF
##511F28	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292928

Deuteranopia (green-blind)

#363327

Tritanopia (blue-blind)

#581922

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f28;
/* rgb */ color: rgb(81, 31, 40);
/* oklch */ color: oklch(31.6% 0.075 11.3);

Tailwind

colors: {
  custom: {
    50: '#855d61',
    500: '#511f28',
    950: '#000000',
  },
}

SCSS

$custom: #511f28;
$custom-light: #855d61;
$custom-dark: #000000;

JSON

{
  "hex": "#511f28",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 349.2,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31612,
    "c": 0.07534,
    "h": 11.3
  },
  "luminance": 0.02883
}

Semantic roles & 50–950 ramp

primary

#511F28

secondary

#46867A

accent

#D4BD53

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #511F28

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

Preview Lab → · Contrast checker → · Palette generator →