#AA313D#AA313D

#AA313D is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.156 H 19.5°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#AA313D
RGB	rgb(170, 49, 61)
HSL	hsl(354, 55%, 43%)
HSV	hsv(354, 71%, 67%)
CMYK	cmyk(0%, 71.2%, 64.1%, 33.3%)
CIE-LAB	lab(39.72, 49.70, 21.79)
CIE-LCH	lch(39.72, 54.27, 23.67°)
OKLab	oklab(49.96% 0.1475 0.0522)
OKLCH	oklch(49.96% 0.156 19.5)
XYZ	xyz(18.5201, 11.0823, 5.5779)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA313D #31AA9E

analogous

#AA3179 #AA313D #AA6231

triadic

#AA313D #3DAA31 #313DAA

tetradic

#AA313D #79AA31 #31AA9E #6231AA

square

#AA313D #79AA31 #31AA9E #6231AA

split-complementary

#AA313D #31AA62 #3179AA

monochromatic

#4B161B #7A232C #AA313D #CC4D59 #D97C85

Accessibility & contrast

On white

6.53

#AA313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#AA313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA313D

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA313D	#FFFFFF	#000000	##FFFFFF
##AA313D	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D3D

Deuteranopia (green-blind)

#70673A

Tritanopia (blue-blind)

#BB0D36

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa313d;
/* rgb */ color: rgb(170, 49, 61);
/* oklch */ color: oklch(50.0% 0.156 19.5);

Tailwind

colors: {
  custom: {
    50: '#ca7272',
    500: '#aa313d',
    950: '#000000',
  },
}

SCSS

$custom: #aa313d;
$custom-light: #ca7272;
$custom-dark: #000000;

JSON

{
  "hex": "#aa313d",
  "rgb": {
    "r": 170,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 354.05,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49964,
    "c": 0.15647,
    "h": 19.5
  },
  "luminance": 0.1108
}

Semantic roles & 50–950 ramp

primary

#AA313D

secondary

#75C2BA

accent

#DFD049

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150808

muted

#837B7B

Preview Lab

Preview with #AA313D

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

Preview Lab → · Contrast checker → · Palette generator →