#511F17#511F17

#511F17 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.2% C 0.077 H 31.1°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#511F17
RGB	rgb(81, 31, 23)
HSL	hsl(8, 56%, 20%)
HSV	hsv(8, 72%, 32%)
CMYK	cmyk(0%, 61.7%, 71.6%, 68.2%)
CIE-LAB	lab(19.19, 22.79, 16.96)
CIE-LCH	lch(19.19, 28.41, 36.66°)
OKLab	oklab(31.2% 0.0661 0.0398)
OKLCH	oklch(31.2% 0.077 31.1)
XYZ	xyz(4.0384, 2.7917, 1.1366)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F17 #174951

analogous

#51172C #511F17 #513C17

triadic

#511F17 #17511F #1F1751

tetradic

#511F17 #2C5117 #174951 #3C1751

square

#511F17 #2C5117 #174951 #3C1751

split-complementary

#511F17 #17513C #172C51

monochromatic

#180907 #210D09 #511F17 #813125 #B04332

Accessibility & contrast

On white

13.48

#511F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F17

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F17	#FFFFFF	#000000	##FFFFFF
##511F17	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2816

Deuteranopia (green-blind)

#383316

Tritanopia (blue-blind)

#59151D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f17;
/* rgb */ color: rgb(81, 31, 23);
/* oklch */ color: oklch(31.2% 0.077 31.1);

Tailwind

colors: {
  custom: {
    50: '#865c54',
    500: '#511f17',
    950: '#000000',
  },
}

SCSS

$custom: #511f17;
$custom-light: #865c54;
$custom-dark: #000000;

JSON

{
  "hex": "#511f17",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 8.276,
    "s": 55.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31202,
    "c": 0.07713,
    "h": 31.1
  },
  "luminance": 0.02791
}

Semantic roles & 50–950 ramp

primary

#511F17

secondary

#3C7E88

accent

#CADF49

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511F17

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

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