#AA313F#AA313F

#AA313F is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.156 H 18.5°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#AA313F
RGB	rgb(170, 49, 63)
HSL	hsl(353, 55%, 43%)
HSV	hsv(353, 71%, 67%)
CMYK	cmyk(0%, 71.2%, 62.9%, 33.3%)
CIE-LAB	lab(39.76, 49.83, 20.59)
CIE-LCH	lch(39.76, 53.92, 22.45°)
OKLab	oklab(50% 0.1483 0.0497)
OKLCH	oklch(50% 0.156 18.5)
XYZ	xyz(18.5750, 11.1042, 5.8669)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA313F #31AA9C

analogous

#AA317B #AA313F #AA5F31

triadic

#AA313F #3FAA31 #313FAA

tetradic

#AA313F #7BAA31 #31AA9C #5F31AA

square

#AA313F #7BAA31 #31AA9C #5F31AA

split-complementary

#AA313F #31AA5F #317BAA

monochromatic

#4B161C #7A232D #AA313F #CC4D5B #D97C87

Accessibility & contrast

On white

6.52

#AA313F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#AA313F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA313F

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA313F	#FFFFFF	#000000	##FFFFFF
##AA313F	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)

#524D3F

Deuteranopia (green-blind)

#70673C

Tritanopia (blue-blind)

#BA0E37

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa313f;
/* rgb */ color: rgb(170, 49, 63);
/* oklch */ color: oklch(50.0% 0.156 18.5);

Tailwind

colors: {
  custom: {
    50: '#ca7273',
    500: '#aa313f',
    950: '#000000',
  },
}

SCSS

$custom: #aa313f;
$custom-light: #ca7273;
$custom-dark: #000000;

JSON

{
  "hex": "#aa313f",
  "rgb": {
    "r": 170,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 353.058,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50003,
    "c": 0.15639,
    "h": 18.5
  },
  "luminance": 0.11102
}

Semantic roles & 50–950 ramp

primary

#AA313F

secondary

#75C2B9

accent

#DFCD49

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AA313F

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

Preview Lab → · Contrast checker → · Palette generator →