#AA2737#AA2737

#AA2737 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.9% C 0.166 H 19.7°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#AA2737
RGB	rgb(170, 39, 55)
HSL	hsl(353, 63%, 41%)
HSV	hsv(353, 77%, 67%)
CMYK	cmyk(0%, 77.1%, 67.6%, 33.3%)
CIE-LAB	lab(38.33, 52.91, 23.77)
CIE-LCH	lch(38.33, 58.01, 24.19°)
OKLab	oklab(48.9% 0.1565 0.056)
OKLCH	oklch(48.9% 0.166 19.7)
XYZ	xyz(17.9947, 10.2757, 4.6496)
Luminance	0.1027 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2737 #27AA9A

analogous

#AA2778 #AA2737 #AA5827

triadic

#AA2737 #37AA27 #2737AA

tetradic

#AA2737 #78AA27 #27AA9A #5827AA

square

#AA2737 #78AA27 #27AA9A #5827AA

split-complementary

#AA2737 #27AA58 #2778AA

monochromatic

#461017 #781C27 #AA2737 #D23C4E #DE6E7B

Accessibility & contrast

On white

6.87

#AA2737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#AA2737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2737

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2737	#FFFFFF	#000000	##FFFFFF
##AA2737	1.00	6.87	3.05	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4937

Deuteranopia (green-blind)

#6E6433

Tritanopia (blue-blind)

#BB002E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa2737;
/* rgb */ color: rgb(170, 39, 55);
/* oklch */ color: oklch(48.9% 0.166 19.7);

Tailwind

colors: {
  custom: {
    50: '#cb6d6d',
    500: '#aa2737',
    950: '#000000',
  },
}

SCSS

$custom: #aa2737;
$custom-light: #cb6d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2737",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 55
  },
  "hsl": {
    "h": 352.672,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48899,
    "c": 0.16621,
    "h": 19.7
  },
  "luminance": 0.10273
}

Semantic roles & 50–950 ramp

primary

#AA2737

secondary

#69C4B9

accent

#E6D242

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150807

muted

#837A7A

Preview Lab

Preview with #AA2737

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

Preview Lab → · Contrast checker → · Palette generator →