#AA2521#AA2521

#AA2521 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.170 H 27.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#AA2521
RGB	rgb(170, 37, 33)
HSL	hsl(2, 67%, 40%)
HSV	hsv(2, 81%, 67%)
CMYK	cmyk(0%, 78.2%, 80.6%, 33.3%)
CIE-LAB	lab(37.81, 52.60, 36.37)
CIE-LCH	lch(37.81, 63.94, 34.66°)
OKLab	oklab(48.42% 0.1506 0.0787)
OKLCH	oklch(48.42% 0.17 27.6)
XYZ	xyz(17.5158, 9.9818, 2.4430)
Luminance	0.0998 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2521 #21A6AA

analogous

#AA2161 #AA2521 #AA6A21

triadic

#AA2521 #21AA25 #2521AA

tetradic

#AA2521 #61AA21 #21A6AA #6A21AA

square

#AA2521 #61AA21 #21A6AA #6A21AA

split-complementary

#AA2521 #21AA6A #2161AA

monochromatic

#430F0D #771A17 #AA2521 #D73631 #E16864

Accessibility & contrast

On white

7.01

#AA2521 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#AA2521 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2521

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2521	#FFFFFF	#000000	##FFFFFF
##AA2521	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F461F

Deuteranopia (green-blind)

#6F631B

Tritanopia (blue-blind)

#BC0026

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa2521;
/* rgb */ color: rgb(170, 37, 33);
/* oklch */ color: oklch(48.4% 0.170 27.6);

Tailwind

colors: {
  custom: {
    50: '#cd6c5d',
    500: '#aa2521',
    950: '#000000',
  },
}

SCSS

$custom: #aa2521;
$custom-light: #cd6c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2521",
  "rgb": {
    "r": 170,
    "g": 37,
    "b": 33
  },
  "hsl": {
    "h": 1.752,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48416,
    "c": 0.16994,
    "h": 27.6
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary

#AA2521

secondary

#61C3C6

accent

#E5EA3D

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA2521

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

Preview Lab → · Contrast checker → · Palette generator →