#AA271E#AA271E

#AA271E is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.6% C 0.169 H 28.9°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#AA271E
RGB	rgb(170, 39, 30)
HSL	hsl(4, 70%, 39%)
HSV	hsv(4, 82%, 67%)
CMYK	cmyk(0%, 77.1%, 82.4%, 33.3%)
CIE-LAB	lab(38.01, 51.86, 38.21)
CIE-LCH	lch(38.01, 64.42, 36.39°)
OKLab	oklab(48.56% 0.1477 0.0816)
OKLCH	oklch(48.56% 0.169 28.9)
XYZ	xyz(17.5396, 10.0936, 2.2528)
Luminance	0.1009 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA271E #1EA1AA

analogous

#AA1E5B #AA271E #AA6D1E

triadic

#AA271E #1EAA27 #271EAA

tetradic

#AA271E #5BAA1E #1EA1AA #6D1EAA

square

#AA271E #5BAA1E #1EA1AA #6D1EAA

split-complementary

#AA271E #1EAA6D #1E5BAA

monochromatic

#420F0C #761B15 #AA271E #DA372C #E36860

Accessibility & contrast

On white

6.96

#AA271E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#AA271E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA271E

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA271E	#FFFFFF	#000000	##FFFFFF
##AA271E	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)

#50471B

Deuteranopia (green-blind)

#706417

Tritanopia (blue-blind)

#BC0027

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa271e;
/* rgb */ color: rgb(170, 39, 30);
/* oklch */ color: oklch(48.6% 0.169 28.9);

Tailwind

colors: {
  custom: {
    50: '#cd6c5b',
    500: '#aa271e',
    950: '#000000',
  },
}

SCSS

$custom: #aa271e;
$custom-light: #cd6c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa271e",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 30
  },
  "hsl": {
    "h": 3.857,
    "s": 70,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48556,
    "c": 0.1688,
    "h": 28.9
  },
  "luminance": 0.10091
}

Semantic roles & 50–950 ramp

primary

#AA271E

secondary

#5CC0C7

accent

#E1ED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA271E

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

Preview Lab → · Contrast checker → · Palette generator →