#AA313B#AA313B

#AA313B is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.9% C 0.157 H 20.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#AA313B
RGB	rgb(170, 49, 59)
HSL	hsl(355, 55%, 43%)
HSV	hsv(355, 71%, 67%)
CMYK	cmyk(0%, 71.2%, 65.3%, 33.3%)
CIE-LAB	lab(39.68, 49.58, 22.98)
CIE-LCH	lch(39.68, 54.65, 24.87°)
OKLab	oklab(49.93% 0.1467 0.0547)
OKLCH	oklch(49.93% 0.157 20.5)
XYZ	xyz(18.4672, 11.0611, 5.2994)
Luminance	0.1106 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA313B #31AAA0

analogous

#AA3178 #AA313B #AA6331

triadic

#AA313B #3BAA31 #313BAA

tetradic

#AA313B #78AA31 #31AAA0 #6331AA

square

#AA313B #78AA31 #31AAA0 #6331AA

split-complementary

#AA313B #31AA63 #3178AA

monochromatic

#4B161A #7A232B #AA313B #CC4D57 #D97C84

Accessibility & contrast

On white

6.54

#AA313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#AA313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA313B

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA313B	#FFFFFF	#000000	##FFFFFF
##AA313B	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)

#524D3A

Deuteranopia (green-blind)

#716738

Tritanopia (blue-blind)

#BB0C36

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #aa313b;
/* rgb */ color: rgb(170, 49, 59);
/* oklch */ color: oklch(49.9% 0.157 20.5);

Tailwind

colors: {
  custom: {
    50: '#ca7270',
    500: '#aa313b',
    950: '#000000',
  },
}

SCSS

$custom: #aa313b;
$custom-light: #ca7270;
$custom-dark: #000000;

JSON

{
  "hex": "#aa313b",
  "rgb": {
    "r": 170,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 355.041,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49926,
    "c": 0.15658,
    "h": 20.5
  },
  "luminance": 0.11058
}

Semantic roles & 50–950 ramp

primary

#AA313B

secondary

#75C2BC

accent

#DFD249

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AA313B

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

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