#AA373F#AA373F

#AA373F is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.7% C 0.150 H 20.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#AA373F
RGB	rgb(170, 55, 63)
HSL	hsl(356, 51%, 44%)
HSV	hsv(356, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 62.9%, 33.3%)
CIE-LAB	lab(40.64, 47.42, 21.73)
CIE-LCH	lch(40.64, 52.16, 24.62°)
OKLab	oklab(50.66% 0.1406 0.0523)
OKLCH	oklch(50.66% 0.15 20.4)
XYZ	xyz(18.8428, 11.6399, 5.9562)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA373F #37AAA2

analogous

#AA3779 #AA373F #AA6937

triadic

#AA373F #3FAA37 #373FAA

tetradic

#AA373F #79AA37 #37AAA2 #6937AA

square

#AA373F #79AA37 #37AAA2 #6937AA

split-complementary

#AA373F #37AA69 #3779AA

monochromatic

#4E191D #7C282E #AA373F #C8565E #D7848A

Accessibility & contrast

On white

6.31

#AA373F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AA373F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA373F

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA373F	#FFFFFF	#000000	##FFFFFF
##AA373F	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503E

Deuteranopia (green-blind)

#72693C

Tritanopia (blue-blind)

#BA1C3B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa373f;
/* rgb */ color: rgb(170, 55, 63);
/* oklch */ color: oklch(50.7% 0.150 20.4);

Tailwind

colors: {
  custom: {
    50: '#ca7574',
    500: '#aa373f',
    950: '#000000',
  },
}

SCSS

$custom: #aa373f;
$custom-light: #ca7574;
$custom-dark: #000000;

JSON

{
  "hex": "#aa373f",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 355.826,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50662,
    "c": 0.15001,
    "h": 20.4
  },
  "luminance": 0.11637
}

Semantic roles & 50–950 ramp

primary

#AA373F

secondary

#7CC1BC

accent

#DBD14D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA373F

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

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