#511523#511523

#511523 is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.0% C 0.090 H 10.5°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#511523
RGB	rgb(81, 21, 35)
HSL	hsl(346, 59%, 20%)
HSV	hsv(346, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 56.8%, 68.2%)
CIE-LAB	lab(17.50, 29.04, 6.37)
CIE-LCH	lch(17.50, 29.73, 12.38°)
OKLab	oklab(30.02% 0.088 0.0163)
OKLCH	oklch(30.02% 0.09 10.5)
XYZ	xyz(3.9652, 2.4075, 1.8457)
Luminance	0.0241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511523 #155143

analogous

#511541 #511523 #512515

triadic

#511523 #235115 #152351

tetradic

#511523 #415115 #155143 #251551

square

#511523 #415115 #155143 #251551

split-complementary

#511523 #155125 #154151

monochromatic

#18060A #20080E #511523 #822238 #B22E4D

Accessibility & contrast

On white

14.18

#511523 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#511523 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511523

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511523	#FFFFFF	#000000	##FFFFFF
##511523	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232323

Deuteranopia (green-blind)

#332F22

Tritanopia (blue-blind)

#590A1B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #511523;
/* rgb */ color: rgb(81, 21, 35);
/* oklch */ color: oklch(30.0% 0.090 10.5);

Tailwind

colors: {
  custom: {
    50: '#86575d',
    500: '#511523',
    950: '#000000',
  },
}

SCSS

$custom: #511523;
$custom-light: #86575d;
$custom-dark: #000000;

JSON

{
  "hex": "#511523",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 35
  },
  "hsl": {
    "h": 346,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.30016,
    "c": 0.08952,
    "h": 10.5
  },
  "luminance": 0.02407
}

Semantic roles & 50–950 ramp

primary

#511523

secondary

#398976

accent

#E2BE46

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0304

muted

#7D7879

Preview Lab

Preview with #511523

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

Preview Lab → · Contrast checker → · Palette generator →