#AA271B#AA271B

#AA271B is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.169 H 29.7°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#AA271B
RGB	rgb(170, 39, 27)
HSL	hsl(5, 73%, 39%)
HSV	hsv(5, 84%, 67%)
CMYK	cmyk(0%, 77.1%, 84.1%, 33.3%)
CIE-LAB	lab(37.98, 51.78, 39.78)
CIE-LCH	lch(37.98, 65.29, 37.53°)
OKLab	oklab(48.53% 0.1469 0.084)
OKLCH	oklch(48.53% 0.169 29.7)
XYZ	xyz(17.5031, 10.0790, 2.0605)
Luminance	0.1008 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA271B #1B9EAA

analogous

#AA1B56 #AA271B #AA6E1B

triadic

#AA271B #1BAA27 #271BAA

tetradic

#AA271B #56AA1B #1B9EAA #6E1BAA

square

#AA271B #56AA1B #1B9EAA #6E1BAA

split-complementary

#AA271B #1BAA6E #1B56AA

monochromatic

#400F0A #751B13 #AA271B #DC3526 #E5665B

Accessibility & contrast

On white

6.96

#AA271B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#AA271B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA271B

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA271B	#FFFFFF	#000000	##FFFFFF
##AA271B	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504718

Deuteranopia (green-blind)

#706413

Tritanopia (blue-blind)

#BC0026

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa271b;
/* rgb */ color: rgb(170, 39, 27);
/* oklch */ color: oklch(48.5% 0.169 29.7);

Tailwind

colors: {
  custom: {
    50: '#cd6c59',
    500: '#aa271b',
    950: '#000000',
  },
}

SCSS

$custom: #aa271b;
$custom-light: #cd6c59;
$custom-dark: #000000;

JSON

{
  "hex": "#aa271b",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 27
  },
  "hsl": {
    "h": 5.035,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48529,
    "c": 0.1692,
    "h": 29.7
  },
  "luminance": 0.10076
}

Semantic roles & 50–950 ramp

primary

#AA271B

secondary

#58BFC9

accent

#E0EF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA271B

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

Preview Lab → · Contrast checker → · Palette generator →