#A73F33#A73F33

#A73F33 is a mid, vivid red. Relative luminance 0.120; OKLCH L 50.9% C 0.140 H 29.4°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#A73F33
RGB	rgb(167, 63, 51)
HSL	hsl(6, 53%, 43%)
HSV	hsv(6, 69%, 65%)
CMYK	cmyk(0%, 62.3%, 69.5%, 34.5%)
CIE-LAB	lab(41.24, 42.08, 29.61)
CIE-LCH	lch(41.24, 51.46, 35.13°)
OKLab	oklab(50.95% 0.1218 0.0685)
OKLCH	oklch(50.95% 0.14 29.4)
XYZ	xyz(18.3133, 12.0120, 4.4855)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73F33 #339BA7

analogous

#A73361 #A73F33 #A77933

triadic

#A73F33 #33A73F #3F33A7

tetradic

#A73F33 #61A733 #339BA7 #7933A7

square

#A73F33 #61A733 #339BA7 #7933A7

split-complementary

#A73F33 #33A779 #3361A7

monochromatic

#491C16 #782D25 #A73F33 #C95B4E #D7867D

Accessibility & contrast

On white

6.17

#A73F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#A73F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73F33

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73F33	#FFFFFF	#000000	##FFFFFF
##A73F33	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5331

Deuteranopia (green-blind)

#756A30

Tritanopia (blue-blind)

#B7283D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a73f33;
/* rgb */ color: rgb(167, 63, 51);
/* oklch */ color: oklch(50.9% 0.140 29.4);

Tailwind

colors: {
  custom: {
    50: '#c8796b',
    500: '#a73f33',
    950: '#000000',
  },
}

SCSS

$custom: #a73f33;
$custom-light: #c8796b;
$custom-dark: #000000;

JSON

{
  "hex": "#a73f33",
  "rgb": {
    "r": 167,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 6.207,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50948,
    "c": 0.13971,
    "h": 29.4
  },
  "luminance": 0.1201
}

Semantic roles & 50–950 ramp

primary

#A73F33

secondary

#76B8C0

accent

#CEDD4B

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A73F33

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

Preview Lab → · Contrast checker → · Palette generator →