#AA281F#AA281F

#AA281F is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.7% C 0.168 H 28.9°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#AA281F
RGB	rgb(170, 40, 31)
HSL	hsl(4, 69%, 39%)
HSV	hsv(4, 82%, 67%)
CMYK	cmyk(0%, 76.5%, 81.8%, 33.3%)
CIE-LAB	lab(38.14, 51.56, 37.80)
CIE-LCH	lch(38.14, 63.93, 36.24°)
OKLab	oklab(48.65% 0.147 0.0811)
OKLCH	oklch(48.65% 0.168 28.9)
XYZ	xyz(17.5858, 10.1654, 2.3322)
Luminance	0.1016 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA281F #1FA1AA

analogous

#AA1F5C #AA281F #AA6E1F

triadic

#AA281F #1FAA28 #281FAA

tetradic

#AA281F #5CAA1F #1FA1AA #6E1FAA

square

#AA281F #5CAA1F #1FA1AA #6E1FAA

split-complementary

#AA281F #1FAA6E #1F5CAA

monochromatic

#42100C #761C16 #AA281F #D9392D #E26A61

Accessibility & contrast

On white

6.92

#AA281F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#AA281F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA281F

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA281F	#FFFFFF	#000000	##FFFFFF
##AA281F	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50481C

Deuteranopia (green-blind)

#706419

Tritanopia (blue-blind)

#BC0027

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa281f;
/* rgb */ color: rgb(170, 40, 31);
/* oklch */ color: oklch(48.7% 0.168 28.9);

Tailwind

colors: {
  custom: {
    50: '#cd6d5c',
    500: '#aa281f',
    950: '#000000',
  },
}

SCSS

$custom: #aa281f;
$custom-light: #cd6d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa281f",
  "rgb": {
    "r": 170,
    "g": 40,
    "b": 31
  },
  "hsl": {
    "h": 3.885,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48654,
    "c": 0.16787,
    "h": 28.9
  },
  "luminance": 0.10163
}

Semantic roles & 50–950 ramp

primary

#AA281F

secondary

#5EC0C7

accent

#E1EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA281F

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

Preview Lab → · Contrast checker → · Palette generator →