#A6364A#A6364A

#A6364A is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.147 H 13.7°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A6364A
RGB	rgb(166, 54, 74)
HSL	hsl(349, 51%, 43%)
HSV	hsv(349, 67%, 65%)
CMYK	cmyk(0%, 67.5%, 55.4%, 34.9%)
CIE-LAB	lab(39.99, 47.31, 13.88)
CIE-LCH	lch(39.99, 49.30, 16.35°)
OKLab	oklab(50.11% 0.1426 0.0348)
OKLCH	oklch(50.11% 0.147 13.7)
XYZ	xyz(18.2827, 11.2422, 7.6845)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6364A #36A692

analogous

#A63682 #A6364A #A65A36

triadic

#A6364A #4AA636 #364AA6

tetradic

#A6364A #82A636 #36A692 #5A36A6

square

#A6364A #82A636 #36A692 #5A36A6

split-complementary

#A6364A #36A65A #3682A6

monochromatic

#4A1821 #782735 #A6364A #C75267 #D68190

Accessibility & contrast

On white

6.47

#A6364A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A6364A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6364A

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6364A	#FFFFFF	#000000	##FFFFFF
##A6364A	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504A

Deuteranopia (green-blind)

#6E6747

Tritanopia (blue-blind)

#B5203E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a6364a;
/* rgb */ color: rgb(166, 54, 74);
/* oklch */ color: oklch(50.1% 0.147 13.7);

Tailwind

colors: {
  custom: {
    50: '#c6747c',
    500: '#a6364a',
    950: '#000000',
  },
}

SCSS

$custom: #a6364a;
$custom-light: #c6747c;
$custom-dark: #000000;

JSON

{
  "hex": "#a6364a",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 74
  },
  "hsl": {
    "h": 349.286,
    "s": 50.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50112,
    "c": 0.14679,
    "h": 13.7
  },
  "luminance": 0.1124
}

Semantic roles & 50–950 ramp

primary

#A6364A

secondary

#79BFB3

accent

#DAC14D

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A6364A

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

Preview Lab → · Contrast checker → · Palette generator →