#51171E#51171E

#51171E is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.1% C 0.086 H 17.0°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#51171E
RGB	rgb(81, 23, 30)
HSL	hsl(353, 56%, 20%)
HSV	hsv(353, 72%, 32%)
CMYK	cmyk(0%, 71.6%, 63%, 68.2%)
CIE-LAB	lab(17.72, 27.62, 10.25)
CIE-LCH	lch(17.72, 29.46, 20.36°)
OKLab	oklab(30.14% 0.0827 0.0253)
OKLCH	oklch(30.14% 0.086 17)
XYZ	xyz(3.9344, 2.4564, 1.4950)
Luminance	0.0246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51171E #17514A

analogous

#51173B #51171E #512D17

triadic

#51171E #1E5117 #171E51

tetradic

#51171E #3B5117 #17514A #2D1751

square

#51171E #3B5117 #17514A #2D1751

split-complementary

#51171E #17512D #173B51

monochromatic

#180709 #21090C #51171E #812530 #B03241

Accessibility & contrast

On white

14.08

#51171E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#51171E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51171E

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51171E	#FFFFFF	#000000	##FFFFFF
##51171E	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25241E

Deuteranopia (green-blind)

#34301D

Tritanopia (blue-blind)

#590B1A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51171e;
/* rgb */ color: rgb(81, 23, 30);
/* oklch */ color: oklch(30.1% 0.086 17.0);

Tailwind

colors: {
  custom: {
    50: '#865859',
    500: '#51171e',
    950: '#000000',
  },
}

SCSS

$custom: #51171e;
$custom-light: #865859;
$custom-dark: #000000;

JSON

{
  "hex": "#51171e",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 30
  },
  "hsl": {
    "h": 352.759,
    "s": 55.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30142,
    "c": 0.08647,
    "h": 17
  },
  "luminance": 0.02456
}

Semantic roles & 50–950 ramp

primary

#51171E

secondary

#3C887F

accent

#DFCD49

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51171E

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

Preview Lab → · Contrast checker → · Palette generator →