#A7271F#A7271F

#A7271F is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.0% C 0.166 H 28.6°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#A7271F
RGB	rgb(167, 39, 31)
HSL	hsl(4, 69%, 39%)
HSV	hsv(4, 81%, 65%)
CMYK	cmyk(0%, 76.6%, 81.4%, 34.5%)
CIE-LAB	lab(37.42, 50.95, 36.89)
CIE-LCH	lch(37.42, 62.91, 35.91°)
OKLab	oklab(48.02% 0.1454 0.0794)
OKLCH	oklch(48.02% 0.166 28.6)
XYZ	xyz(16.9112, 9.7681, 2.2911)
Luminance	0.0977 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7271F #1F9FA7

analogous

#A71F5B #A7271F #A76B1F

triadic

#A7271F #1FA727 #271FA7

tetradic

#A7271F #5BA71F #1F9FA7 #6B1FA7

square

#A7271F #5BA71F #1F9FA7 #6B1FA7

split-complementary

#A7271F #1FA76B #1F5BA7

monochromatic

#400F0C #731B15 #A7271F #D8362B #E1675F

Accessibility & contrast

On white

7.11

#A7271F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A7271F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7271F

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7271F	#FFFFFF	#000000	##FFFFFF
##A7271F	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F461C

Deuteranopia (green-blind)

#6E6219

Tritanopia (blue-blind)

#B80027

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a7271f;
/* rgb */ color: rgb(167, 39, 31);
/* oklch */ color: oklch(48.0% 0.166 28.6);

Tailwind

colors: {
  custom: {
    50: '#ca6c5c',
    500: '#a7271f',
    950: '#000000',
  },
}

SCSS

$custom: #a7271f;
$custom-light: #ca6c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a7271f",
  "rgb": {
    "r": 167,
    "g": 39,
    "b": 31
  },
  "hsl": {
    "h": 3.529,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48015,
    "c": 0.16567,
    "h": 28.6
  },
  "luminance": 0.09765
}

Semantic roles & 50–950 ramp

primary

#A7271F

secondary

#5CC0C6

accent

#E1EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A7271F

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

Preview Lab → · Contrast checker → · Palette generator →