#AA373D#AA373D

#AA373D is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.150 H 21.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#AA373D
RGB	rgb(170, 55, 61)
HSL	hsl(357, 51%, 44%)
HSV	hsv(357, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 64.1%, 33.3%)
CIE-LAB	lab(40.60, 47.29, 22.92)
CIE-LCH	lch(40.60, 52.55, 25.86°)
OKLab	oklab(50.62% 0.1398 0.0548)
OKLCH	oklch(50.62% 0.15 21.4)
XYZ	xyz(18.7879, 11.6180, 5.6671)
Luminance	0.1162 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA373D #37AAA4

analogous

#AA3777 #AA373D #AA6B37

triadic

#AA373D #3DAA37 #373DAA

tetradic

#AA373D #77AA37 #37AAA4 #6B37AA

square

#AA373D #77AA37 #37AAA4 #6B37AA

split-complementary

#AA373D #37AA6B #3777AA

monochromatic

#4E191C #7C282C #AA373D #C8565C #D78488

Accessibility & contrast

On white

6.32

#AA373D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#AA373D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA373D

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA373D	#FFFFFF	#000000	##FFFFFF
##AA373D	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503C

Deuteranopia (green-blind)

#73693A

Tritanopia (blue-blind)

#BA1B3A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa373d;
/* rgb */ color: rgb(170, 55, 61);
/* oklch */ color: oklch(50.6% 0.150 21.4);

Tailwind

colors: {
  custom: {
    50: '#ca7572',
    500: '#aa373d',
    950: '#000000',
  },
}

SCSS

$custom: #aa373d;
$custom-light: #ca7572;
$custom-dark: #000000;

JSON

{
  "hex": "#aa373d",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 61
  },
  "hsl": {
    "h": 356.87,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50623,
    "c": 0.15016,
    "h": 21.4
  },
  "luminance": 0.11615
}

Semantic roles & 50–950 ramp

primary

#AA373D

secondary

#7CC1BD

accent

#DBD34D

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA373D

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

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