#AA2828#AA2828

#AA2828 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.167 H 26.0°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#AA2828
RGB	rgb(170, 40, 40)
HSL	hsl(0, 62%, 41%)
HSV	hsv(0, 76%, 67%)
CMYK	cmyk(0%, 76.5%, 76.5%, 33.3%)
CIE-LAB	lab(38.23, 51.88, 32.79)
CIE-LCH	lch(38.23, 61.37, 32.30°)
OKLab	oklab(48.76% 0.1499 0.073)
OKLCH	oklch(48.76% 0.167 26)
XYZ	xyz(17.7214, 10.2196, 3.0465)
Luminance	0.1022 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2828 #28AAAA

analogous

#AA2869 #AA2828 #AA6928

triadic

#AA2828 #28AA28 #2828AA

tetradic

#AA2828 #69AA28 #28AAAA #6928AA

square

#AA2828 #69AA28 #28AAAA #6928AA

split-complementary

#AA2828 #28AA69 #2869AA

monochromatic

#471111 #781C1C #AA2828 #D23E3E #DD6F6F

Accessibility & contrast

On white

6.90

#AA2828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#AA2828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2828

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2828	#FFFFFF	#000000	##FFFFFF
##AA2828	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504826

Deuteranopia (green-blind)

#706423

Tritanopia (blue-blind)

#BB002A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa2828;
/* rgb */ color: rgb(170, 40, 40);
/* oklch */ color: oklch(48.8% 0.167 26.0);

Tailwind

colors: {
  custom: {
    50: '#cc6d62',
    500: '#aa2828',
    950: '#000000',
  },
}

SCSS

$custom: #aa2828;
$custom-light: #cc6d62;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2828",
  "rgb": {
    "r": 170,
    "g": 40,
    "b": 40
  },
  "hsl": {
    "h": 0,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48756,
    "c": 0.16669,
    "h": 26
  },
  "luminance": 0.10217
}

Semantic roles & 50–950 ramp

primary

#AA2828

secondary

#6AC4C4

accent

#E5E543

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AA2828

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

Preview Lab → · Contrast checker → · Palette generator →