#AA271D#AA271D

#AA271D is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.169 H 29.2°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#AA271D
RGB	rgb(170, 39, 29)
HSL	hsl(4, 71%, 39%)
HSV	hsv(4, 83%, 67%)
CMYK	cmyk(0%, 77.1%, 82.9%, 33.3%)
CIE-LAB	lab(38.00, 51.83, 38.74)
CIE-LCH	lch(38.00, 64.71, 36.78°)
OKLab	oklab(48.55% 0.1475 0.0824)
OKLCH	oklch(48.55% 0.169 29.2)
XYZ	xyz(17.5270, 10.0886, 2.1866)
Luminance	0.1009 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA271D #1DA0AA

analogous

#AA1D5A #AA271D #AA6E1D

triadic

#AA271D #1DAA27 #271DAA

tetradic

#AA271D #5AAA1D #1DA0AA #6E1DAA

square

#AA271D #5AAA1D #1DA0AA #6E1DAA

split-complementary

#AA271D #1DAA6E #1D5AAA

monochromatic

#410F0B #761B14 #AA271D #DB362A #E4675E

Accessibility & contrast

On white

6.96

#AA271D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#AA271D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA271D

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA271D	#FFFFFF	#000000	##FFFFFF
##AA271D	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)

#50471A

Deuteranopia (green-blind)

#706416

Tritanopia (blue-blind)

#BC0026

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa271d;
/* rgb */ color: rgb(170, 39, 29);
/* oklch */ color: oklch(48.5% 0.169 29.2);

Tailwind

colors: {
  custom: {
    50: '#cd6c5b',
    500: '#aa271d',
    950: '#000000',
  },
}

SCSS

$custom: #aa271d;
$custom-light: #cd6c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa271d",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 29
  },
  "hsl": {
    "h": 4.255,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48547,
    "c": 0.16893,
    "h": 29.2
  },
  "luminance": 0.10086
}

Semantic roles & 50–950 ramp

primary

#AA271D

secondary

#5BC0C8

accent

#E1EE3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA271D

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

Preview Lab → · Contrast checker → · Palette generator →