#511E16#511E16

#511E16 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.079 H 31.0°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#511E16
RGB	rgb(81, 30, 22)
HSL	hsl(8, 57%, 20%)
HSV	hsv(8, 73%, 32%)
CMYK	cmyk(0%, 63%, 72.8%, 68.2%)
CIE-LAB	lab(18.96, 23.29, 17.34)
CIE-LCH	lch(18.96, 29.04, 36.68°)
OKLab	oklab(31.02% 0.0674 0.0405)
OKLCH	oklch(31.02% 0.079 31)
XYZ	xyz(4.0028, 2.7363, 1.0763)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E16 #164951

analogous

#51162B #511E16 #513C16

triadic

#511E16 #16511E #1E1651

tetradic

#511E16 #2B5116 #164951 #3C1651

square

#511E16 #2B5116 #164951 #3C1651

split-complementary

#511E16 #16513C #162B51

monochromatic

#180907 #210C09 #511E16 #813023 #B14230

Accessibility & contrast

On white

13.57

#511E16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511E16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E16

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E16	#FFFFFF	#000000	##FFFFFF
##511E16	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2715

Deuteranopia (green-blind)

#383215

Tritanopia (blue-blind)

#59141C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e16;
/* rgb */ color: rgb(81, 30, 22);
/* oklch */ color: oklch(31.0% 0.079 31.0);

Tailwind

colors: {
  custom: {
    50: '#865c53',
    500: '#511e16',
    950: '#000000',
  },
}

SCSS

$custom: #511e16;
$custom-light: #865c53;
$custom-dark: #000000;

JSON

{
  "hex": "#511e16",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 22
  },
  "hsl": {
    "h": 8.136,
    "s": 57.282,
    "l": 20.196
  },
  "oklch": {
    "l": 0.3102,
    "c": 0.07862,
    "h": 31
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#511E16

secondary

#3A7E88

accent

#CCE147

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511E16

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

Preview Lab → · Contrast checker → · Palette generator →