#51151D#51151D

#51151D is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.089 H 16.8°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#51151D
RGB	rgb(81, 21, 29)
HSL	hsl(352, 59%, 20%)
HSV	hsv(352, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 64.2%, 68.2%)
CIE-LAB	lab(17.34, 28.49, 10.45)
CIE-LCH	lch(17.34, 30.35, 20.15°)
OKLab	oklab(29.85% 0.0853 0.0257)
OKLCH	oklch(29.85% 0.089 16.8)
XYZ	xyz(3.8836, 2.3749, 1.4161)
Luminance	0.0237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51151D #155149

analogous

#51153B #51151D #512B15

triadic

#51151D #1D5115 #151D51

tetradic

#51151D #3B5115 #155149 #2B1551

square

#51151D #3B5115 #155149 #2B1551

split-complementary

#51151D #15512B #153B51

monochromatic

#180609 #20080C #51151D #82222E #B22E40

Accessibility & contrast

On white

14.24

#51151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#51151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51151D

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51151D	#FFFFFF	#000000	##FFFFFF
##51151D	1.00	14.24	1.47	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24231D

Deuteranopia (green-blind)

#342F1B

Tritanopia (blue-blind)

#590818

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51151d;
/* rgb */ color: rgb(81, 21, 29);
/* oklch */ color: oklch(29.9% 0.089 16.8);

Tailwind

colors: {
  custom: {
    50: '#865758',
    500: '#51151d',
    950: '#000000',
  },
}

SCSS

$custom: #51151d;
$custom-light: #865758;
$custom-dark: #000000;

JSON

{
  "hex": "#51151d",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 352,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29853,
    "c": 0.08908,
    "h": 16.8
  },
  "luminance": 0.02374
}

Semantic roles & 50–950 ramp

primary

#51151D

secondary

#39897E

accent

#E2CD46

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51151D

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

Preview Lab → · Contrast checker → · Palette generator →