#73151C#73151C

#73151C is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.5% C 0.127 H 22.8°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#73151C
RGB	rgb(115, 21, 28)
HSL	hsl(356, 69%, 27%)
HSV	hsv(356, 82%, 45%)
CMYK	cmyk(0%, 81.7%, 75.7%, 54.9%)
CIE-LAB	lab(24.53, 40.21, 21.68)
CIE-LCH	lch(24.53, 45.69, 28.33°)
OKLab	oklab(36.5% 0.1175 0.0494)
OKLCH	oklch(36.5% 0.127 22.8)
XYZ	xyz(7.5489, 4.2662, 1.5244)
Luminance	0.0427 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73151C #15736C

analogous

#73154B #73151C #733D15

triadic

#73151C #1C7315 #151C73

tetradic

#73151C #4B7315 #15736C #3D1573

square

#73151C #4B7315 #15736C #3D1573

split-complementary

#73151C #15733D #154B73

monochromatic

#1A0506 #3F0C0F #73151C #A71E29 #D82A37

Accessibility & contrast

On white

11.33

#73151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#73151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73151C

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73151C	#FFFFFF	#000000	##FFFFFF
##73151C	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D1B

Deuteranopia (green-blind)

#494119

Tritanopia (blue-blind)

#7F0019

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #73151c;
/* rgb */ color: rgb(115, 21, 28);
/* oklch */ color: oklch(36.5% 0.127 22.8);

Tailwind

colors: {
  custom: {
    50: '#a35c58',
    500: '#73151c',
    950: '#000000',
  },
}

SCSS

$custom: #73151c;
$custom-light: #a35c58;
$custom-dark: #000000;

JSON

{
  "hex": "#73151c",
  "rgb": {
    "r": 115,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 355.532,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36503,
    "c": 0.12747,
    "h": 22.8
  },
  "luminance": 0.04265
}

Semantic roles & 50–950 ramp

primary

#73151C

secondary

#3BA9A1

accent

#ECDF3C

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #73151C

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

Preview Lab → · Contrast checker → · Palette generator →