#AA2733#AA2733

#AA2733 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.166 H 21.4°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#AA2733
RGB	rgb(170, 39, 51)
HSL	hsl(355, 63%, 41%)
HSV	hsv(355, 77%, 67%)
CMYK	cmyk(0%, 77.1%, 70%, 33.3%)
CIE-LAB	lab(38.27, 52.70, 26.18)
CIE-LCH	lch(38.27, 58.84, 26.41°)
OKLab	oklab(48.83% 0.1549 0.0608)
OKLCH	oklch(48.83% 0.166 21.4)
XYZ	xyz(17.9026, 10.2389, 4.1650)
Luminance	0.1024 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2733 #27AA9E

analogous

#AA2774 #AA2733 #AA5C27

triadic

#AA2733 #33AA27 #2733AA

tetradic

#AA2733 #74AA27 #27AA9E #5C27AA

square

#AA2733 #74AA27 #27AA9E #5C27AA

split-complementary

#AA2733 #27AA5C #2774AA

monochromatic

#461015 #781C24 #AA2733 #D23C4A #DE6E78

Accessibility & contrast

On white

6.89

#AA2733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#AA2733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2733

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2733	#FFFFFF	#000000	##FFFFFF
##AA2733	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4832

Deuteranopia (green-blind)

#6F642F

Tritanopia (blue-blind)

#BB002D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa2733;
/* rgb */ color: rgb(170, 39, 51);
/* oklch */ color: oklch(48.8% 0.166 21.4);

Tailwind

colors: {
  custom: {
    50: '#cb6d6a',
    500: '#aa2733',
    950: '#000000',
  },
}

SCSS

$custom: #aa2733;
$custom-light: #cb6d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2733",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 51
  },
  "hsl": {
    "h": 354.504,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4883,
    "c": 0.16643,
    "h": 21.4
  },
  "luminance": 0.10236
}

Semantic roles & 50–950 ramp

primary

#AA2733

secondary

#69C4BC

accent

#E6D742

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AA2733

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

Preview Lab → · Contrast checker → · Palette generator →