#AA281B#AA281B

#AA281B is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.6% C 0.168 H 30.0°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#AA281B
RGB	rgb(170, 40, 27)
HSL	hsl(5, 73%, 39%)
HSV	hsv(5, 84%, 67%)
CMYK	cmyk(0%, 76.5%, 84.1%, 33.3%)
CIE-LAB	lab(38.10, 51.44, 39.89)
CIE-LCH	lch(38.10, 65.10, 37.79°)
OKLab	oklab(48.62% 0.1459 0.0842)
OKLCH	oklch(48.62% 0.168 30)
XYZ	xyz(17.5363, 10.1456, 2.0716)
Luminance	0.1014 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA281B #1B9DAA

analogous

#AA1B55 #AA281B #AA6F1B

triadic

#AA281B #1BAA28 #281BAA

tetradic

#AA281B #55AA1B #1B9DAA #6F1BAA

square

#AA281B #55AA1B #1B9DAA #6F1BAA

split-complementary

#AA281B #1BAA6F #1B55AA

monochromatic

#400F0A #751C13 #AA281B #DC3626 #E5675B

Accessibility & contrast

On white

6.93

#AA281B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#AA281B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA281B

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA281B	#FFFFFF	#000000	##FFFFFF
##AA281B	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514718

Deuteranopia (green-blind)

#706414

Tritanopia (blue-blind)

#BC0027

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa281b;
/* rgb */ color: rgb(170, 40, 27);
/* oklch */ color: oklch(48.6% 0.168 30.0);

Tailwind

colors: {
  custom: {
    50: '#cd6d59',
    500: '#aa281b',
    950: '#000000',
  },
}

SCSS

$custom: #aa281b;
$custom-light: #cd6d59;
$custom-dark: #000000;

JSON

{
  "hex": "#aa281b",
  "rgb": {
    "r": 170,
    "g": 40,
    "b": 27
  },
  "hsl": {
    "h": 5.455,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48617,
    "c": 0.16843,
    "h": 30
  },
  "luminance": 0.10143
}

Semantic roles & 50–950 ramp

primary

#AA281B

secondary

#58BEC9

accent

#DFEF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA281B

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

Preview Lab → · Contrast checker → · Palette generator →