#A73733#A73733

#A73733 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.148 H 26.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#A73733
RGB	rgb(167, 55, 51)
HSL	hsl(2, 53%, 43%)
HSV	hsv(2, 69%, 65%)
CMYK	cmyk(0%, 67.1%, 69.5%, 34.5%)
CIE-LAB	lab(39.90, 45.67, 28.01)
CIE-LCH	lch(39.90, 53.58, 31.52°)
OKLab	oklab(49.94% 0.133 0.065)
OKLCH	oklch(49.94% 0.148 26)
XYZ	xyz(17.9020, 11.1894, 4.3484)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73733 #33A3A7

analogous

#A73369 #A73733 #A77133

triadic

#A73733 #33A737 #3733A7

tetradic

#A73733 #69A733 #33A3A7 #7133A7

square

#A73733 #69A733 #33A3A7 #7133A7

split-complementary

#A73733 #33A771 #3369A7

monochromatic

#491816 #782825 #A73733 #C9524E #D7807D

Accessibility & contrast

On white

6.49

#A73733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#A73733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73733

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73733	#FFFFFF	#000000	##FFFFFF
##A73733	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#726730

Tritanopia (blue-blind)

#B71A37

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a73733;
/* rgb */ color: rgb(167, 55, 51);
/* oklch */ color: oklch(49.9% 0.148 26.0);

Tailwind

colors: {
  custom: {
    50: '#c8746b',
    500: '#a73733',
    950: '#000000',
  },
}

SCSS

$custom: #a73733;
$custom-light: #c8746b;
$custom-dark: #000000;

JSON

{
  "hex": "#a73733",
  "rgb": {
    "r": 167,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 2.069,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49943,
    "c": 0.14806,
    "h": 26
  },
  "luminance": 0.11187
}

Semantic roles & 50–950 ramp

primary

#A73733

secondary

#76BEC0

accent

#D8DD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A73733

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

Preview Lab → · Contrast checker → · Palette generator →