#A72537#A72537

#A72537 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.165 H 18.9°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#A72537
RGB	rgb(167, 37, 55)
HSL	hsl(352, 64%, 40%)
HSV	hsv(352, 78%, 65%)
CMYK	cmyk(0%, 77.8%, 67.1%, 34.5%)
CIE-LAB	lab(37.51, 52.65, 22.61)
CIE-LCH	lch(37.51, 57.30, 23.25°)
OKLab	oklab(48.19% 0.1561 0.0535)
OKLCH	oklch(48.19% 0.165 18.9)
XYZ	xyz(17.2894, 9.8171, 4.5982)
Luminance	0.0981 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72537 #25A795

analogous

#A72578 #A72537 #A75425

triadic

#A72537 #37A725 #2537A7

tetradic

#A72537 #78A725 #25A795 #5425A7

square

#A72537 #78A725 #25A795 #5425A7

split-complementary

#A72537 #25A754 #2578A7

monochromatic

#430F16 #751A27 #A72537 #D3374C #DE6979

Accessibility & contrast

On white

7.09

#A72537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A72537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A72537

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72537	#FFFFFF	#000000	##FFFFFF
##A72537	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4737

Deuteranopia (green-blind)

#6C6233

Tritanopia (blue-blind)

#B8002D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a72537;
/* rgb */ color: rgb(167, 37, 55);
/* oklch */ color: oklch(48.2% 0.165 18.9);

Tailwind

colors: {
  custom: {
    50: '#c96c6d',
    500: '#a72537',
    950: '#000000',
  },
}

SCSS

$custom: #a72537;
$custom-light: #c96c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#a72537",
  "rgb": {
    "r": 167,
    "g": 37,
    "b": 55
  },
  "hsl": {
    "h": 351.692,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.48185,
    "c": 0.16498,
    "h": 18.9
  },
  "luminance": 0.09814
}

Semantic roles & 50–950 ramp

primary

#A72537

secondary

#64C4B6

accent

#E7D041

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150707

muted

#837A7A

Preview Lab

Preview with #A72537

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

Preview Lab → · Contrast checker → · Palette generator →