#AA313A#AA313A

#AA313A is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.157 H 20.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#AA313A
RGB	rgb(170, 49, 58)
HSL	hsl(356, 55%, 43%)
HSV	hsv(356, 71%, 67%)
CMYK	cmyk(0%, 71.2%, 65.9%, 33.3%)
CIE-LAB	lab(39.67, 49.52, 23.58)
CIE-LCH	lch(39.67, 54.85, 25.46°)
OKLab	oklab(49.91% 0.1463 0.056)
OKLCH	oklch(49.91% 0.157 20.9)
XYZ	xyz(18.4415, 11.0508, 5.1641)
Luminance	0.1105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA313A #31AAA1

analogous

#AA3176 #AA313A #AA6431

triadic

#AA313A #3AAA31 #313AAA

tetradic

#AA313A #76AA31 #31AAA1 #6431AA

square

#AA313A #76AA31 #31AAA1 #6431AA

split-complementary

#AA313A #31AA64 #3176AA

monochromatic

#4B161A #7A232A #AA313A #CC4D56 #D97C83

Accessibility & contrast

On white

6.54

#AA313A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#AA313A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA313A

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA313A	#FFFFFF	#000000	##FFFFFF
##AA313A	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D39

Deuteranopia (green-blind)

#716737

Tritanopia (blue-blind)

#BB0B35

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #aa313a;
/* rgb */ color: rgb(170, 49, 58);
/* oklch */ color: oklch(49.9% 0.157 20.9);

Tailwind

colors: {
  custom: {
    50: '#ca7270',
    500: '#aa313a',
    950: '#000000',
  },
}

SCSS

$custom: #aa313a;
$custom-light: #ca7270;
$custom-dark: #000000;

JSON

{
  "hex": "#aa313a",
  "rgb": {
    "r": 170,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 355.537,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49907,
    "c": 0.15664,
    "h": 20.9
  },
  "luminance": 0.11048
}

Semantic roles & 50–950 ramp

primary

#AA313A

secondary

#75C2BC

accent

#DFD349

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AA313A

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

Preview Lab → · Contrast checker → · Palette generator →