#AA251D#AA251D

#AA251D is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.170 H 28.7°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#AA251D
RGB	rgb(170, 37, 29)
HSL	hsl(3, 71%, 39%)
HSV	hsv(3, 83%, 67%)
CMYK	cmyk(0%, 78.2%, 82.9%, 33.3%)
CIE-LAB	lab(37.77, 52.47, 38.52)
CIE-LCH	lch(37.77, 65.10, 36.29°)
OKLab	oklab(48.38% 0.1495 0.082)
OKLCH	oklch(48.38% 0.17 28.7)
XYZ	xyz(17.4630, 9.9607, 2.1653)
Luminance	0.0996 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA251D #1DA2AA

analogous

#AA1D5C #AA251D #AA6C1D

triadic

#AA251D #1DAA25 #251DAA

tetradic

#AA251D #5CAA1D #1DA2AA #6C1DAA

square

#AA251D #5CAA1D #1DA2AA #6C1DAA

split-complementary

#AA251D #1DAA6C #1D5CAA

monochromatic

#410E0B #761A14 #AA251D #DB342A #E4655E

Accessibility & contrast

On white

7.02

#AA251D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#AA251D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA251D

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA251D	#FFFFFF	#000000	##FFFFFF
##AA251D	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F461A

Deuteranopia (green-blind)

#706316

Tritanopia (blue-blind)

#BC0025

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa251d;
/* rgb */ color: rgb(170, 37, 29);
/* oklch */ color: oklch(48.4% 0.170 28.7);

Tailwind

colors: {
  custom: {
    50: '#cd6c5b',
    500: '#aa251d',
    950: '#000000',
  },
}

SCSS

$custom: #aa251d;
$custom-light: #cd6c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa251d",
  "rgb": {
    "r": 170,
    "g": 37,
    "b": 29
  },
  "hsl": {
    "h": 3.404,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48376,
    "c": 0.17045,
    "h": 28.7
  },
  "luminance": 0.09958
}

Semantic roles & 50–950 ramp

primary

#AA251D

secondary

#5BC2C8

accent

#E3EE3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA251D

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

Preview Lab → · Contrast checker → · Palette generator →