#AA2428#AA2428

#AA2428 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.170 H 25.0°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#AA2428
RGB	rgb(170, 36, 40)
HSL	hsl(358, 65%, 40%)
HSV	hsv(358, 79%, 67%)
CMYK	cmyk(0%, 78.8%, 76.5%, 33.3%)
CIE-LAB	lab(37.78, 53.15, 32.29)
CIE-LCH	lch(37.78, 62.19, 31.28°)
OKLab	oklab(48.42% 0.1539 0.0719)
OKLCH	oklch(48.42% 0.17 25)
XYZ	xyz(17.5935, 9.9638, 3.0039)
Luminance	0.0996 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2428 #24AAA6

analogous

#AA246B #AA2428 #AA6324

triadic

#AA2428 #28AA24 #2428AA

tetradic

#AA2428 #6BAA24 #24AAA6 #6324AA

square

#AA2428 #6BAA24 #24AAA6 #6324AA

split-complementary

#AA2428 #24AA63 #246BAA

monochromatic

#450F10 #77191C #AA2428 #D5373B #DF696D

Accessibility & contrast

On white

7.02

#AA2428 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#AA2428 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA2428

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2428	#FFFFFF	#000000	##FFFFFF
##AA2428	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)

#4E4627

Deuteranopia (green-blind)

#6F6323

Tritanopia (blue-blind)

#BB0027

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #aa2428;
/* rgb */ color: rgb(170, 36, 40);
/* oklch */ color: oklch(48.4% 0.170 25.0);

Tailwind

colors: {
  custom: {
    50: '#cc6b62',
    500: '#aa2428',
    950: '#000000',
  },
}

SCSS

$custom: #aa2428;
$custom-light: #cc6b62;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2428",
  "rgb": {
    "r": 170,
    "g": 36,
    "b": 40
  },
  "hsl": {
    "h": 358.209,
    "s": 65.049,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48417,
    "c": 0.16986,
    "h": 25
  },
  "luminance": 0.09961
}

Semantic roles & 50–950 ramp

primary

#AA2428

secondary

#65C5C2

accent

#E8E340

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #AA2428

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

Preview Lab → · Contrast checker → · Palette generator →