#A64B4B#A64B4B

#A64B4B is a mid, vivid red. Relative luminance 0.136; OKLCH L 52.9% C 0.121 H 22.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#A64B4B
RGB	rgb(166, 75, 75)
HSL	hsl(0, 38%, 47%)
HSV	hsv(0, 55%, 65%)
CMYK	cmyk(0%, 54.8%, 54.8%, 34.9%)
CIE-LAB	lab(43.73, 37.52, 18.30)
CIE-LCH	lch(43.73, 41.75, 26.00°)
OKLab	oklab(52.93% 0.1119 0.0453)
OKLCH	oklch(52.93% 0.121 22)
XYZ	xyz(19.5135, 13.6494, 8.2622)
Luminance	0.1365 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64B4B #4BA6A6

analogous

#A64B79 #A64B4B #A6794B

triadic

#A64B4B #4BA64B #4B4BA6

tetradic

#A64B4B #79A64B #4BA6A6 #794BA6

square

#A64B4B #79A64B #4BA6A6 #794BA6

split-complementary

#A64B4B #4BA679 #4B79A6

monochromatic

#522525 #7C3838 #A64B4B #BE7070 #D19A9A

Accessibility & contrast

On white

5.63

#A64B4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#A64B4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64B4B

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64B4B	#FFFFFF	#000000	##FFFFFF
##A64B4B	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605C4A

Deuteranopia (green-blind)

#776F49

Tritanopia (blue-blind)

#B53D4C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #a64b4b;
/* rgb */ color: rgb(166, 75, 75);
/* oklch */ color: oklch(52.9% 0.121 22.0);

Tailwind

colors: {
  custom: {
    50: '#c5807d',
    500: '#a64b4b',
    950: '#000000',
  },
}

SCSS

$custom: #a64b4b;
$custom-light: #c5807d;
$custom-dark: #000000;

JSON

{
  "hex": "#a64b4b",
  "rgb": {
    "r": 166,
    "g": 75,
    "b": 75
  },
  "hsl": {
    "h": 0,
    "s": 37.759,
    "l": 47.255
  },
  "oklch": {
    "l": 0.52928,
    "c": 0.12068,
    "h": 22
  },
  "luminance": 0.13647
}

Semantic roles & 50–950 ramp

primary

#A64B4B

secondary

#8FBEBE

accent

#CECE5A

background

#FCF8F7

surface

#F9EFEE

border

#D2CAC9

text

#140A09

muted

#827C7B

Preview Lab

Preview with #A64B4B

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

Preview Lab → · Contrast checker → · Palette generator →