#51101A#51101A

#51101A is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.2% C 0.095 H 17.0°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#51101A
RGB	rgb(81, 16, 26)
HSL	hsl(351, 67%, 19%)
HSV	hsv(351, 80%, 32%)
CMYK	cmyk(0%, 80.2%, 67.9%, 68.2%)
CIE-LAB	lab(16.48, 30.45, 11.46)
CIE-LCH	lch(16.48, 32.54, 20.62°)
OKLab	oklab(29.19% 0.0909 0.0278)
OKLCH	oklch(29.19% 0.095 17)
XYZ	xyz(3.7655, 2.1950, 1.2025)
Luminance	0.0219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51101A #105147

analogous

#51103B #51101A #512710

triadic

#51101A #1A5110 #101A51

tetradic

#51101A #3B5110 #105147 #271051

square

#51101A #3B5110 #105147 #271051

split-complementary

#51101A #105127 #103B51

monochromatic

#1A0508 #1E060A #51101A #841A2A #B7243B

Accessibility & contrast

On white

14.60

#51101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#51101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51101A

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51101A	#FFFFFF	#000000	##FFFFFF
##51101A	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22201A

Deuteranopia (green-blind)

#322E18

Tritanopia (blue-blind)

#590014

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #51101a;
/* rgb */ color: rgb(81, 16, 26);
/* oklch */ color: oklch(29.2% 0.095 17.0);

Tailwind

colors: {
  custom: {
    50: '#875456',
    500: '#51101a',
    950: '#000000',
  },
}

SCSS

$custom: #51101a;
$custom-light: #875456;
$custom-dark: #000000;

JSON

{
  "hex": "#51101a",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 350.769,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29188,
    "c": 0.09506,
    "h": 17
  },
  "luminance": 0.02194
}

Semantic roles & 50–950 ramp

primary

#51101A

secondary

#328B7D

accent

#EACF3E

background

#F8F5F5

surface

#F0E9E8

border

#CBC5C4

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51101A

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

Preview Lab → · Contrast checker → · Palette generator →