#AA3237#AA3237

#AA3237 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.156 H 22.6°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#AA3237
RGB	rgb(170, 50, 55)
HSL	hsl(358, 55%, 43%)
HSV	hsv(358, 71%, 67%)
CMYK	cmyk(0%, 70.6%, 67.6%, 33.3%)
CIE-LAB	lab(39.76, 48.96, 25.54)
CIE-LCH	lch(39.76, 55.22, 27.55°)
OKLab	oklab(49.96% 0.1439 0.06)
OKLCH	oklch(49.96% 0.156 22.6)
XYZ	xyz(18.4097, 11.1058, 4.7879)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3237 #32AAA5

analogous

#AA3273 #AA3237 #AA6932

triadic

#AA3237 #37AA32 #3237AA

tetradic

#AA3237 #73AA32 #32AAA5 #6932AA

square

#AA3237 #73AA32 #32AAA5 #6932AA

split-complementary

#AA3237 #32AA69 #3273AA

monochromatic

#4B1618 #7B2428 #AA3237 #CB4E53 #D97D81

Accessibility & contrast

On white

6.52

#AA3237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#AA3237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3237

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3237	#FFFFFF	#000000	##FFFFFF
##AA3237	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D36

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#BB0C35

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa3237;
/* rgb */ color: rgb(170, 50, 55);
/* oklch */ color: oklch(50.0% 0.156 22.6);

Tailwind

colors: {
  custom: {
    50: '#cb726d',
    500: '#aa3237',
    950: '#000000',
  },
}

SCSS

$custom: #aa3237;
$custom-light: #cb726d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3237",
  "rgb": {
    "r": 170,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 357.5,
    "s": 54.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4996,
    "c": 0.15588,
    "h": 22.6
  },
  "luminance": 0.11103
}

Semantic roles & 50–950 ramp

primary

#AA3237

secondary

#76C2BF

accent

#DED84A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AA3237

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

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