#AA3337#AA3337

#AA3337 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.155 H 22.9°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#AA3337
RGB	rgb(170, 51, 55)
HSL	hsl(358, 54%, 43%)
HSV	hsv(358, 70%, 67%)
CMYK	cmyk(0%, 70%, 67.6%, 33.3%)
CIE-LAB	lab(39.90, 48.56, 25.72)
CIE-LCH	lch(39.90, 54.95, 27.91°)
OKLab	oklab(50.07% 0.1426 0.0604)
OKLCH	oklch(50.07% 0.155 22.9)
XYZ	xyz(18.4529, 11.1922, 4.8023)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3337 #33AAA6

analogous

#AA3372 #AA3337 #AA6A33

triadic

#AA3337 #37AA33 #3337AA

tetradic

#AA3337 #72AA33 #33AAA6 #6A33AA

square

#AA3337 #72AA33 #33AAA6 #6A33AA

split-complementary

#AA3337 #33AA6A #3372AA

monochromatic

#4C1719 #7B2528 #AA3337 #CA5054 #D97F82

Accessibility & contrast

On white

6.49

#AA3337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#AA3337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3337

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3337	#FFFFFF	#000000	##FFFFFF
##AA3337	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E36

Deuteranopia (green-blind)

#726733

Tritanopia (blue-blind)

#BB0F36

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa3337;
/* rgb */ color: rgb(170, 51, 55);
/* oklch */ color: oklch(50.1% 0.155 22.9);

Tailwind

colors: {
  custom: {
    50: '#ca726e',
    500: '#aa3337',
    950: '#000000',
  },
}

SCSS

$custom: #aa3337;
$custom-light: #ca726e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3337",
  "rgb": {
    "r": 170,
    "g": 51,
    "b": 55
  },
  "hsl": {
    "h": 357.983,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50068,
    "c": 0.15488,
    "h": 22.9
  },
  "luminance": 0.1119
}

Semantic roles & 50–950 ramp

primary

#AA3337

secondary

#77C2BF

accent

#DDD84B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AA3337

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

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