#A6364D#A6364D

#A6364D is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.147 H 12.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A6364D
RGB	rgb(166, 54, 77)
HSL	hsl(348, 51%, 43%)
HSV	hsv(348, 67%, 65%)
CMYK	cmyk(0%, 67.5%, 53.6%, 34.9%)
CIE-LAB	lab(40.05, 47.56, 12.08)
CIE-LCH	lch(40.05, 49.07, 14.26°)
OKLab	oklab(50.19% 0.1438 0.0306)
OKLCH	oklch(50.19% 0.147 12)
XYZ	xyz(18.3862, 11.2836, 8.2295)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6364D #36A68F

analogous

#A63685 #A6364D #A65736

triadic

#A6364D #4DA636 #364DA6

tetradic

#A6364D #85A636 #36A68F #5736A6

square

#A6364D #85A636 #36A68F #5736A6

split-complementary

#A6364D #36A657 #3685A6

monochromatic

#4A1822 #782738 #A6364D #C7526A #D68192

Accessibility & contrast

On white

6.45

#A6364D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A6364D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6364D

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6364D	#FFFFFF	#000000	##FFFFFF
##A6364D	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504D

Deuteranopia (green-blind)

#6E674A

Tritanopia (blue-blind)

#B5213F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a6364d;
/* rgb */ color: rgb(166, 54, 77);
/* oklch */ color: oklch(50.2% 0.147 12.0);

Tailwind

colors: {
  custom: {
    50: '#c6747e',
    500: '#a6364d',
    950: '#000000',
  },
}

SCSS

$custom: #a6364d;
$custom-light: #c6747e;
$custom-dark: #000000;

JSON

{
  "hex": "#a6364d",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 77
  },
  "hsl": {
    "h": 347.679,
    "s": 50.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50185,
    "c": 0.14704,
    "h": 12
  },
  "luminance": 0.11281
}

Semantic roles & 50–950 ramp

primary

#A6364D

secondary

#79BFB1

accent

#DABD4D

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A6364D

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

Preview Lab → · Contrast checker → · Palette generator →