#511305#511305

#511305 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.2% C 0.095 H 34.3°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#511305
RGB	rgb(81, 19, 5)
HSL	hsl(11, 88%, 17%)
HSV	hsv(11, 94%, 32%)
CMYK	cmyk(0%, 76.5%, 93.8%, 68.2%)
CIE-LAB	lab(16.63, 28.09, 23.23)
CIE-LCH	lch(16.63, 36.45, 39.60°)
OKLab	oklab(29.2% 0.0784 0.0536)
OKLCH	oklch(29.2% 0.095 34.3)
XYZ	xyz(3.6540, 2.2266, 0.3809)
Luminance	0.0223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511305 #054351

analogous

#51051D #511305 #513905

triadic

#511305 #055113 #130551

tetradic

#511305 #1D5105 #054351 #390551

square

#511305 #1D5105 #054351 #390551

split-complementary

#511305 #055139 #051D51

monochromatic

#1D0702 #1D0702 #511305 #8B2109 #C42E0C

Accessibility & contrast

On white

14.53

#511305 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#511305 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511305

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511305	#FFFFFF	#000000	##FFFFFF
##511305	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262003

Deuteranopia (green-blind)

#352E03

Tritanopia (blue-blind)

#5A0010

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511305;
/* rgb */ color: rgb(81, 19, 5);
/* oklch */ color: oklch(29.2% 0.095 34.3);

Tailwind

colors: {
  custom: {
    50: '#885549',
    500: '#511305',
    950: '#000000',
  },
}

SCSS

$custom: #511305;
$custom-light: #885549;
$custom-dark: #000000;

JSON

{
  "hex": "#511305",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 5
  },
  "hsl": {
    "h": 11.053,
    "s": 88.372,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29204,
    "c": 0.09498,
    "h": 34.3
  },
  "luminance": 0.02226
}

Semantic roles & 50–950 ramp

primary

#511305

secondary

#227C90

accent

#D7FF29

background

#F8F5F4

surface

#F0E9E6

border

#CBC5C2

text

#0D0300

muted

#7D7877

Preview Lab

Preview with #511305

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

Preview Lab → · Contrast checker → · Palette generator →