#AA251C#AA251C

#AA251C is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.171 H 29.0°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#AA251C
RGB	rgb(170, 37, 28)
HSL	hsl(4, 72%, 39%)
HSV	hsv(4, 84%, 67%)
CMYK	cmyk(0%, 78.2%, 83.5%, 33.3%)
CIE-LAB	lab(37.76, 52.44, 39.05)
CIE-LCH	lch(37.76, 65.39, 36.67°)
OKLab	oklab(48.37% 0.1492 0.0827)
OKLCH	oklch(48.37% 0.171 29)
XYZ	xyz(17.4509, 9.9558, 2.1012)
Luminance	0.0995 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA251C #1CA1AA

analogous

#AA1C5A #AA251C #AA6C1C

triadic

#AA251C #1CAA25 #251CAA

tetradic

#AA251C #5AAA1C #1CA1AA #6C1CAA

square

#AA251C #5AAA1C #1CA1AA #6C1CAA

split-complementary

#AA251C #1CAA6C #1C5AAA

monochromatic

#410E0B #751A13 #AA251C #DC3328 #E4655C

Accessibility & contrast

On white

7.02

#AA251C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#AA251C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA251C

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA251C	#FFFFFF	#000000	##FFFFFF
##AA251C	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)

#4F4619

Deuteranopia (green-blind)

#706315

Tritanopia (blue-blind)

#BC0025

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa251c;
/* rgb */ color: rgb(170, 37, 28);
/* oklch */ color: oklch(48.4% 0.171 29.0);

Tailwind

colors: {
  custom: {
    50: '#cd6c5a',
    500: '#aa251c',
    950: '#000000',
  },
}

SCSS

$custom: #aa251c;
$custom-light: #cd6c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#aa251c",
  "rgb": {
    "r": 170,
    "g": 37,
    "b": 28
  },
  "hsl": {
    "h": 3.803,
    "s": 71.717,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48367,
    "c": 0.17058,
    "h": 29
  },
  "luminance": 0.09953
}

Semantic roles & 50–950 ramp

primary

#AA251C

secondary

#5AC1C8

accent

#E3EE39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA251C

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

Preview Lab → · Contrast checker → · Palette generator →