#511F16#511F16

#511F16 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.2% C 0.077 H 32.0°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#511F16
RGB	rgb(81, 31, 22)
HSL	hsl(9, 57%, 20%)
HSV	hsv(9, 73%, 32%)
CMYK	cmyk(0%, 61.7%, 72.8%, 68.2%)
CIE-LAB	lab(19.17, 22.72, 17.61)
CIE-LCH	lch(19.17, 28.75, 37.77°)
OKLab	oklab(31.19% 0.0656 0.0411)
OKLCH	oklch(31.19% 0.077 32)
XYZ	xyz(4.0285, 2.7877, 1.0848)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F16 #164851

analogous

#51162A #511F16 #513D16

triadic

#511F16 #16511F #1F1651

tetradic

#511F16 #2A5116 #164851 #3D1651

square

#511F16 #2A5116 #164851 #3D1651

split-complementary

#511F16 #16513D #162A51

monochromatic

#180907 #210D09 #511F16 #813123 #B14430

Accessibility & contrast

On white

13.48

#511F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F16

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F16	#FFFFFF	#000000	##FFFFFF
##511F16	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)

#2C2815

Deuteranopia (green-blind)

#383315

Tritanopia (blue-blind)

#59151D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f16;
/* rgb */ color: rgb(81, 31, 22);
/* oklch */ color: oklch(31.2% 0.077 32.0);

Tailwind

colors: {
  custom: {
    50: '#865c53',
    500: '#511f16',
    950: '#000000',
  },
}

SCSS

$custom: #511f16;
$custom-light: #865c53;
$custom-dark: #000000;

JSON

{
  "hex": "#511f16",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 22
  },
  "hsl": {
    "h": 9.153,
    "s": 57.282,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31185,
    "c": 0.07741,
    "h": 32
  },
  "luminance": 0.02787
}

Semantic roles & 50–950 ramp

primary

#511F16

secondary

#3A7D88

accent

#C9E147

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511F16

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

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