#511518#511518

#511518 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.7% C 0.089 H 21.7°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#511518
RGB	rgb(81, 21, 24)
HSL	hsl(357, 59%, 20%)
HSV	hsv(357, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 70.4%, 68.2%)
CIE-LAB	lab(17.24, 28.11, 13.85)
CIE-LCH	lch(17.24, 31.34, 26.24°)
OKLab	oklab(29.74% 0.083 0.033)
OKLCH	oklch(29.74% 0.089 21.7)
XYZ	xyz(3.8268, 2.3522, 1.1165)
Luminance	0.0235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511518 #15514E

analogous

#511536 #511518 #513015

triadic

#511518 #185115 #151851

tetradic

#511518 #365115 #15514E #301551

square

#511518 #365115 #15514E #301551

split-complementary

#511518 #155130 #153651

monochromatic

#180607 #20080A #511518 #822226 #B22E35

Accessibility & contrast

On white

14.28

#511518 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#511518 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511518

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511518	#FFFFFF	#000000	##FFFFFF
##511518	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252218

Deuteranopia (green-blind)

#342F16

Tritanopia (blue-blind)

#5A0617

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511518;
/* rgb */ color: rgb(81, 21, 24);
/* oklch */ color: oklch(29.7% 0.089 21.7);

Tailwind

colors: {
  custom: {
    50: '#875754',
    500: '#511518',
    950: '#000000',
  },
}

SCSS

$custom: #511518;
$custom-light: #875754;
$custom-dark: #000000;

JSON

{
  "hex": "#511518",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 24
  },
  "hsl": {
    "h": 357,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29739,
    "c": 0.08932,
    "h": 21.7
  },
  "luminance": 0.02352
}

Semantic roles & 50–950 ramp

primary

#511518

secondary

#398985

accent

#E2DA46

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511518

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

Preview Lab → · Contrast checker → · Palette generator →