#73171B#73171B

#73171B is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.7% C 0.126 H 24.0°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#73171B
RGB	rgb(115, 23, 27)
HSL	hsl(357, 67%, 27%)
HSV	hsv(357, 80%, 45%)
CMYK	cmyk(0%, 80%, 76.5%, 54.9%)
CIE-LAB	lab(24.76, 39.49, 22.60)
CIE-LCH	lch(24.76, 45.50, 29.78°)
OKLab	oklab(36.67% 0.115 0.0512)
OKLCH	oklch(36.67% 0.126 24)
XYZ	xyz(7.5753, 4.3379, 1.4751)
Luminance	0.0434 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73171B #17736F

analogous

#731749 #73171B #734117

triadic

#73171B #1B7317 #171B73

tetradic

#73171B #497317 #17736F #411773

square

#73171B #497317 #17736F #411773

split-complementary

#73171B #177341 #174973

monochromatic

#1A0506 #400D0F #73171B #A62127 #D52F36

Accessibility & contrast

On white

11.25

#73171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#73171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73171B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73171B	#FFFFFF	#000000	##FFFFFF
##73171B	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E1A

Deuteranopia (green-blind)

#4A4218

Tritanopia (blue-blind)

#7F001A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #73171b;
/* rgb */ color: rgb(115, 23, 27);
/* oklch */ color: oklch(36.7% 0.126 24.0);

Tailwind

colors: {
  custom: {
    50: '#a35d57',
    500: '#73171b',
    950: '#000000',
  },
}

SCSS

$custom: #73171b;
$custom-light: #a35d57;
$custom-dark: #000000;

JSON

{
  "hex": "#73171b",
  "rgb": {
    "r": 115,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.391,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36666,
    "c": 0.12584,
    "h": 24
  },
  "luminance": 0.04337
}

Semantic roles & 50–950 ramp

primary

#73171B

secondary

#3DA9A4

accent

#EAE23E

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #73171B

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

Preview Lab → · Contrast checker → · Palette generator →