#511E19#511E19

#511E19 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.078 H 28.0°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#511E19
RGB	rgb(81, 30, 25)
HSL	hsl(5, 53%, 21%)
HSV	hsv(5, 69%, 32%)
CMYK	cmyk(0%, 63%, 69.1%, 68.2%)
CIE-LAB	lab(19.01, 23.51, 15.39)
CIE-LCH	lch(19.01, 28.10, 33.21°)
OKLab	oklab(31.08% 0.0687 0.0366)
OKLCH	oklch(31.08% 0.078 28)
XYZ	xyz(4.0335, 2.7486, 1.2376)
Luminance	0.0275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E19 #194C51

analogous

#511930 #511E19 #513A19

triadic

#511E19 #19511E #1E1951

tetradic

#511E19 #305119 #194C51 #3A1951

square

#511E19 #305119 #194C51 #3A1951

split-complementary

#511E19 #19513A #193051

monochromatic

#170907 #220D0B #511E19 #802F27 #AF4136

Accessibility & contrast

On white

13.55

#511E19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511E19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E19

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E19	#FFFFFF	#000000	##FFFFFF
##511E19	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2718

Deuteranopia (green-blind)

#383218

Tritanopia (blue-blind)

#59141D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e19;
/* rgb */ color: rgb(81, 30, 25);
/* oklch */ color: oklch(31.1% 0.078 28.0);

Tailwind

colors: {
  custom: {
    50: '#865c55',
    500: '#511e19',
    950: '#000000',
  },
}

SCSS

$custom: #511e19;
$custom-light: #865c55;
$custom-dark: #000000;

JSON

{
  "hex": "#511e19",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 25
  },
  "hsl": {
    "h": 5.357,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31076,
    "c": 0.07784,
    "h": 28
  },
  "luminance": 0.02748
}

Semantic roles & 50–950 ramp

primary

#511E19

secondary

#3E8187

accent

#CFDC4C

background

#F8F5F4

surface

#F0E9E8

border

#CBC5C4

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #511E19

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

Preview Lab → · Contrast checker → · Palette generator →