#A73E37#A73E37

#A73E37 is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.140 H 27.0°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#A73E37
RGB	rgb(167, 62, 55)
HSL	hsl(4, 50%, 44%)
HSV	hsv(4, 67%, 65%)
CMYK	cmyk(0%, 62.9%, 67.1%, 34.5%)
CIE-LAB	lab(41.12, 42.78, 27.09)
CIE-LCH	lch(41.12, 50.64, 32.35°)
OKLab	oklab(50.88% 0.1248 0.0636)
OKLCH	oklch(50.88% 0.14 27)
XYZ	xyz(18.3504, 11.9391, 4.9519)
Luminance	0.1194 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73E37 #37A0A7

analogous

#A73768 #A73E37 #A77637

triadic

#A73E37 #37A73E #3E37A7

tetradic

#A73E37 #68A737 #37A0A7 #7637A7

square

#A73E37 #68A737 #37A0A7 #7637A7

split-complementary

#A73E37 #37A776 #3768A7

monochromatic

#4B1C19 #792D28 #A73E37 #C75C54 #D68882

Accessibility & contrast

On white

6.20

#A73E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#A73E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73E37

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73E37	#FFFFFF	#000000	##FFFFFF
##A73E37	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5336

Deuteranopia (green-blind)

#746934

Tritanopia (blue-blind)

#B7273D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a73e37;
/* rgb */ color: rgb(167, 62, 55);
/* oklch */ color: oklch(50.9% 0.140 27.0);

Tailwind

colors: {
  custom: {
    50: '#c8786e',
    500: '#a73e37',
    950: '#000000',
  },
}

SCSS

$custom: #a73e37;
$custom-light: #c8786e;
$custom-dark: #000000;

JSON

{
  "hex": "#a73e37",
  "rgb": {
    "r": 167,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 3.75,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50879,
    "c": 0.14,
    "h": 27
  },
  "luminance": 0.11937
}

Semantic roles & 50–950 ramp

primary

#A73E37

secondary

#7ABBC0

accent

#D1DA4E

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140907

muted

#837B7A

Preview Lab

Preview with #A73E37

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

Preview Lab → · Contrast checker → · Palette generator →