#A7371C#A7371C

#A7371C is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.152 H 34.6°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A7371C
RGB	rgb(167, 55, 28)
HSL	hsl(12, 71%, 38%)
HSV	hsv(12, 83%, 65%)
CMYK	cmyk(0%, 67.1%, 83.2%, 34.5%)
CIE-LAB	lab(39.64, 44.71, 40.59)
CIE-LCH	lch(39.64, 60.39, 42.24°)
OKLab	oklab(49.67% 0.1254 0.0865)
OKLCH	oklch(49.67% 0.152 34.6)
XYZ	xyz(17.5142, 11.0343, 2.3060)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7371C #1C8CA7

analogous

#A71C46 #A7371C #A77C1C

triadic

#A7371C #1CA737 #371CA7

tetradic

#A7371C #46A71C #1C8CA7 #7C1CA7

square

#A7371C #46A71C #1C8CA7 #7C1CA7

split-complementary

#A7371C #1CA77C #1C46A7

monochromatic

#3E140A #732613 #A7371C #DB4926 #E3755A

Accessibility & contrast

On white

6.55

#A7371C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A7371C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7371C

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7371C	#FFFFFF	#000000	##FFFFFF
##A7371C	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E18

Deuteranopia (green-blind)

#736717

Tritanopia (blue-blind)

#B81432

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a7371c;
/* rgb */ color: rgb(167, 55, 28);
/* oklch */ color: oklch(49.7% 0.152 34.6);

Tailwind

colors: {
  custom: {
    50: '#ca745b',
    500: '#a7371c',
    950: '#000000',
  },
}

SCSS

$custom: #a7371c;
$custom-light: #ca745b;
$custom-dark: #000000;

JSON

{
  "hex": "#a7371c",
  "rgb": {
    "r": 167,
    "g": 55,
    "b": 28
  },
  "hsl": {
    "h": 11.655,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49665,
    "c": 0.15235,
    "h": 34.6
  },
  "luminance": 0.11032
}

Semantic roles & 50–950 ramp

primary

#A7371C

secondary

#58B1C7

accent

#CBEE3A

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7371C

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

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