#AA373A#AA373A

#AA373A is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.150 H 22.9°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#AA373A
RGB	rgb(170, 55, 58)
HSL	hsl(358, 51%, 44%)
HSV	hsv(358, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 65.9%, 33.3%)
CIE-LAB	lab(40.55, 47.10, 24.69)
CIE-LCH	lch(40.55, 53.18, 27.67°)
OKLab	oklab(50.57% 0.1386 0.0585)
OKLCH	oklch(50.57% 0.15 22.9)
XYZ	xyz(18.7094, 11.5866, 5.2534)
Luminance	0.1158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA373A #37AAA7

analogous

#AA3774 #AA373A #AA6E37

triadic

#AA373A #3AAA37 #373AAA

tetradic

#AA373A #74AA37 #37AAA7 #6E37AA

square

#AA373A #74AA37 #37AAA7 #6E37AA

split-complementary

#AA373A #37AA6E #3774AA

monochromatic

#4E191A #7C282A #AA373A #C85659 #D78486

Accessibility & contrast

On white

6.33

#AA373A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#AA373A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA373A

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA373A	#FFFFFF	#000000	##FFFFFF
##AA373A	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565039

Deuteranopia (green-blind)

#736937

Tritanopia (blue-blind)

#BB1A39

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa373a;
/* rgb */ color: rgb(170, 55, 58);
/* oklch */ color: oklch(50.6% 0.150 22.9);

Tailwind

colors: {
  custom: {
    50: '#ca7570',
    500: '#aa373a',
    950: '#000000',
  },
}

SCSS

$custom: #aa373a;
$custom-light: #ca7570;
$custom-dark: #000000;

JSON

{
  "hex": "#aa373a",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 58
  },
  "hsl": {
    "h": 358.435,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50569,
    "c": 0.15044,
    "h": 22.9
  },
  "luminance": 0.11584
}

Semantic roles & 50–950 ramp

primary

#AA373A

secondary

#7CC1BF

accent

#DBD74D

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AA373A

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

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