#AA251F#AA251F

#AA251F is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.170 H 28.2°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#AA251F
RGB	rgb(170, 37, 31)
HSL	hsl(3, 69%, 39%)
HSV	hsv(3, 82%, 67%)
CMYK	cmyk(0%, 78.2%, 81.8%, 33.3%)
CIE-LAB	lab(37.79, 52.53, 37.46)
CIE-LCH	lch(37.79, 64.52, 35.49°)
OKLab	oklab(48.4% 0.15 0.0803)
OKLCH	oklch(48.4% 0.17 28.2)
XYZ	xyz(17.4886, 9.9709, 2.2998)
Luminance	0.0997 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA251F #1FA4AA

analogous

#AA1F5F #AA251F #AA6B1F

triadic

#AA251F #1FAA25 #251FAA

tetradic

#AA251F #5FAA1F #1FA4AA #6B1FAA

square

#AA251F #5FAA1F #1FA4AA #6B1FAA

split-complementary

#AA251F #1FAA6B #1F5FAA

monochromatic

#420E0C #761A16 #AA251F #D9352D #E26761

Accessibility & contrast

On white

7.01

#AA251F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#AA251F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA251F

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA251F	#FFFFFF	#000000	##FFFFFF
##AA251F	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F461D

Deuteranopia (green-blind)

#6F6318

Tritanopia (blue-blind)

#BC0025

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa251f;
/* rgb */ color: rgb(170, 37, 31);
/* oklch */ color: oklch(48.4% 0.170 28.2);

Tailwind

colors: {
  custom: {
    50: '#cd6c5c',
    500: '#aa251f',
    950: '#000000',
  },
}

SCSS

$custom: #aa251f;
$custom-light: #cd6c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa251f",
  "rgb": {
    "r": 170,
    "g": 37,
    "b": 31
  },
  "hsl": {
    "h": 2.59,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48396,
    "c": 0.1702,
    "h": 28.2
  },
  "luminance": 0.09968
}

Semantic roles & 50–950 ramp

primary

#AA251F

secondary

#5EC2C7

accent

#E4EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA251F

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

Preview Lab → · Contrast checker → · Palette generator →