#511E28#511E28

#511E28 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.077 H 10.5°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#511E28
RGB	rgb(81, 30, 40)
HSL	hsl(348, 46%, 22%)
HSV	hsv(348, 63%, 32%)
CMYK	cmyk(0%, 63%, 50.6%, 68.2%)
CIE-LAB	lab(19.36, 24.94, 5.43)
CIE-LCH	lch(19.36, 25.53, 12.28°)
OKLab	oklab(31.45% 0.0756 0.0141)
OKLCH	oklch(31.45% 0.077 10.5)
XYZ	xyz(4.2409, 2.8316, 2.3303)
Luminance	0.0283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E28 #1E5147

analogous

#511E42 #511E28 #512E1E

triadic

#511E28 #28511E #1E2851

tetradic

#511E28 #42511E #1E5147 #2E1E51

square

#511E28 #42511E #1E5147 #2E1E51

split-complementary

#511E28 #1E512E #1E4251

monochromatic

#16080B #240D12 #511E28 #7E2F3E #AA3F54

Accessibility & contrast

On white

13.41

#511E28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#511E28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E28

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E28	#FFFFFF	#000000	##FFFFFF
##511E28	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292928

Deuteranopia (green-blind)

#363327

Tritanopia (blue-blind)

#581722

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511e28;
/* rgb */ color: rgb(81, 30, 40);
/* oklch */ color: oklch(31.5% 0.077 10.5);

Tailwind

colors: {
  custom: {
    50: '#855c61',
    500: '#511e28',
    950: '#000000',
  },
}

SCSS

$custom: #511e28;
$custom-light: #855c61;
$custom-dark: #000000;

JSON

{
  "hex": "#511e28",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 40
  },
  "hsl": {
    "h": 348.235,
    "s": 45.946,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31452,
    "c": 0.07692,
    "h": 10.5
  },
  "luminance": 0.02831
}

Semantic roles & 50–950 ramp

primary

#511E28

secondary

#458679

accent

#D6BC52

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #511E28

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

Preview Lab → · Contrast checker → · Palette generator →