#A73121#A73121

#A73121 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.157 H 30.9°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#A73121
RGB	rgb(167, 49, 33)
HSL	hsl(7, 67%, 39%)
HSV	hsv(7, 80%, 65%)
CMYK	cmyk(0%, 70.7%, 80.2%, 34.5%)
CIE-LAB	lab(38.77, 47.35, 37.14)
CIE-LCH	lch(38.77, 60.18, 38.11°)
OKLab	oklab(49.03% 0.1346 0.0806)
OKLCH	oklch(49.03% 0.157 30.9)
XYZ	xyz(17.3112, 10.5246, 2.5585)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73121 #2197A7

analogous

#A72154 #A73121 #A77421

triadic

#A73121 #21A731 #3121A7

tetradic

#A73121 #54A721 #2197A7 #7421A7

square

#A73121 #54A721 #2197A7 #7421A7

split-complementary

#A73121 #21A774 #2154A7

monochromatic

#41130D #742217 #A73121 #D6432F #E07162

Accessibility & contrast

On white

6.76

#A73121 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A73121 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73121

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73121	#FFFFFF	#000000	##FFFFFF
##A73121	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#71651C

Tritanopia (blue-blind)

#B8022E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a73121;
/* rgb */ color: rgb(167, 49, 33);
/* oklch */ color: oklch(49.0% 0.157 30.9);

Tailwind

colors: {
  custom: {
    50: '#ca715e',
    500: '#a73121',
    950: '#000000',
  },
}

SCSS

$custom: #a73121;
$custom-light: #ca715e;
$custom-dark: #000000;

JSON

{
  "hex": "#a73121",
  "rgb": {
    "r": 167,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 7.164,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49026,
    "c": 0.15686,
    "h": 30.9
  },
  "luminance": 0.10522
}

Semantic roles & 50–950 ramp

primary

#A73121

secondary

#5FB9C5

accent

#D5EA3E

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A73121

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

Preview Lab → · Contrast checker → · Palette generator →