#A6364F#A6364F

#A6364F is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.147 H 10.9°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#A6364F
RGB	rgb(166, 54, 79)
HSL	hsl(347, 51%, 43%)
HSV	hsv(347, 67%, 65%)
CMYK	cmyk(0%, 67.5%, 52.4%, 34.9%)
CIE-LAB	lab(40.10, 47.73, 10.89)
CIE-LCH	lch(40.10, 48.96, 12.85°)
OKLab	oklab(50.24% 0.1446 0.0278)
OKLCH	oklch(50.24% 0.147 10.9)
XYZ	xyz(18.4579, 11.3122, 8.6071)
Luminance	0.1131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6364F #36A68D

analogous

#A63687 #A6364F #A65536

triadic

#A6364F #4FA636 #364FA6

tetradic

#A6364F #87A636 #36A68D #5536A6

square

#A6364F #87A636 #36A68D #5536A6

split-complementary

#A6364F #36A655 #3687A6

monochromatic

#4A1823 #782739 #A6364F #C7526C #D68194

Accessibility & contrast

On white

6.44

#A6364F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A6364F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6364F

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6364F	#FFFFFF	#000000	##FFFFFF
##A6364F	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50504F

Deuteranopia (green-blind)

#6D674C

Tritanopia (blue-blind)

#B52240

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a6364f;
/* rgb */ color: rgb(166, 54, 79);
/* oklch */ color: oklch(50.2% 0.147 10.9);

Tailwind

colors: {
  custom: {
    50: '#c67480',
    500: '#a6364f',
    950: '#000000',
  },
}

SCSS

$custom: #a6364f;
$custom-light: #c67480;
$custom-dark: #000000;

JSON

{
  "hex": "#a6364f",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 79
  },
  "hsl": {
    "h": 346.607,
    "s": 50.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50236,
    "c": 0.14725,
    "h": 10.9
  },
  "luminance": 0.1131
}

Semantic roles & 50–950 ramp

primary

#A6364F

secondary

#79BFAF

accent

#DABB4D

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A6364F

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

Preview Lab → · Contrast checker → · Palette generator →