#51101F#51101F

#51101F is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.3% C 0.095 H 12.1°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#51101F
RGB	rgb(81, 16, 31)
HSL	hsl(346, 67%, 19%)
HSV	hsv(346, 80%, 32%)
CMYK	cmyk(0%, 80.2%, 61.7%, 68.2%)
CIE-LAB	lab(16.60, 30.85, 8.02)
CIE-LCH	lch(16.60, 31.87, 14.57°)
OKLab	oklab(29.32% 0.0932 0.02)
OKLCH	oklch(29.32% 0.095 12.1)
XYZ	xyz(3.8263, 2.2194, 1.5230)
Luminance	0.0222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51101F #105142

analogous

#511040 #51101F #512210

triadic

#51101F #1F5110 #101F51

tetradic

#51101F #405110 #105142 #221051

square

#51101F #405110 #105142 #221051

split-complementary

#51101F #105122 #104051

monochromatic

#1A050A #1E060B #51101F #841A33 #B72446

Accessibility & contrast

On white

14.54

#51101F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#51101F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51101F

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51101F	#FFFFFF	#000000	##FFFFFF
##51101F	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21211F

Deuteranopia (green-blind)

#322E1D

Tritanopia (blue-blind)

#590116

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #51101f;
/* rgb */ color: rgb(81, 16, 31);
/* oklch */ color: oklch(29.3% 0.095 12.1);

Tailwind

colors: {
  custom: {
    50: '#87545a',
    500: '#51101f',
    950: '#000000',
  },
}

SCSS

$custom: #51101f;
$custom-light: #87545a;
$custom-dark: #000000;

JSON

{
  "hex": "#51101f",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 31
  },
  "hsl": {
    "h": 346.154,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29316,
    "c": 0.09534,
    "h": 12.1
  },
  "luminance": 0.02219
}

Semantic roles & 50–950 ramp

primary

#51101F

secondary

#328B76

accent

#EAC23E

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51101F

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

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