#511710#511710

#511710 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.088 H 30.0°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#511710
RGB	rgb(81, 23, 16)
HSL	hsl(6, 67%, 19%)
HSV	hsv(6, 80%, 32%)
CMYK	cmyk(0%, 71.6%, 80.2%, 68.2%)
CIE-LAB	lab(17.46, 26.65, 19.33)
CIE-LCH	lch(17.46, 32.92, 35.95°)
OKLab	oklab(29.86% 0.0765 0.0441)
OKLCH	oklch(29.86% 0.088 30)
XYZ	xyz(3.7937, 2.4001, 0.7536)
Luminance	0.0240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511710 #104A51

analogous

#51102A #511710 #513810

triadic

#511710 #105117 #171051

tetradic

#511710 #2A5110 #104A51 #381051

square

#511710 #2A5110 #104A51 #381051

split-complementary

#511710 #105138 #102A51

monochromatic

#1A0705 #1E0806 #511710 #84261A #B73424

Accessibility & contrast

On white

14.19

#511710 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#511710 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511710

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511710	#FFFFFF	#000000	##FFFFFF
##511710	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27230F

Deuteranopia (green-blind)

#36300E

Tritanopia (blue-blind)

#5A0816

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #511710;
/* rgb */ color: rgb(81, 23, 16);
/* oklch */ color: oklch(29.9% 0.088 30.0);

Tailwind

colors: {
  custom: {
    50: '#87584e',
    500: '#511710',
    950: '#000000',
  },
}

SCSS

$custom: #511710;
$custom-light: #87584e;
$custom-dark: #000000;

JSON

{
  "hex": "#511710",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 16
  },
  "hsl": {
    "h": 6.462,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29864,
    "c": 0.08832,
    "h": 30
  },
  "luminance": 0.024
}

Semantic roles & 50–950 ramp

primary

#511710

secondary

#32818B

accent

#D7EA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #511710

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

Preview Lab → · Contrast checker → · Palette generator →