#A7271B#A7271B

#A7271B is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.166 H 29.8°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#A7271B
RGB	rgb(167, 39, 27)
HSL	hsl(5, 72%, 38%)
HSV	hsv(5, 84%, 65%)
CMYK	cmyk(0%, 76.6%, 83.8%, 34.5%)
CIE-LAB	lab(37.39, 50.83, 39.01)
CIE-LCH	lch(37.39, 64.07, 37.50°)
OKLab	oklab(47.98% 0.1443 0.0826)
OKLCH	oklch(47.98% 0.166 29.8)
XYZ	xyz(16.8618, 9.7484, 2.0305)
Luminance	0.0975 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7271B #1B9BA7

analogous

#A71B55 #A7271B #A76D1B

triadic

#A7271B #1BA727 #271BA7

tetradic

#A7271B #55A71B #1B9BA7 #6D1BA7

square

#A7271B #55A71B #1B9BA7 #6D1BA7

split-complementary

#A7271B #1BA76D #1B55A7

monochromatic

#3E0E0A #721B12 #A7271B #DC3324 #E46458

Accessibility & contrast

On white

7.12

#A7271B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A7271B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7271B

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7271B	#FFFFFF	#000000	##FFFFFF
##A7271B	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4618

Deuteranopia (green-blind)

#6E6214

Tritanopia (blue-blind)

#B80026

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a7271b;
/* rgb */ color: rgb(167, 39, 27);
/* oklch */ color: oklch(48.0% 0.166 29.8);

Tailwind

colors: {
  custom: {
    50: '#cb6c59',
    500: '#a7271b',
    950: '#000000',
  },
}

SCSS

$custom: #a7271b;
$custom-light: #cb6c59;
$custom-dark: #000000;

JSON

{
  "hex": "#a7271b",
  "rgb": {
    "r": 167,
    "g": 39,
    "b": 27
  },
  "hsl": {
    "h": 5.143,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47977,
    "c": 0.16623,
    "h": 29.8
  },
  "luminance": 0.09746
}

Semantic roles & 50–950 ramp

primary

#A7271B

secondary

#56BEC8

accent

#DFEF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A7271B

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

Preview Lab → · Contrast checker → · Palette generator →