#A63647#A63647

#A63647 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.0% C 0.147 H 15.4°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#A63647
RGB	rgb(166, 54, 71)
HSL	hsl(351, 51%, 43%)
HSV	hsv(351, 67%, 65%)
CMYK	cmyk(0%, 67.5%, 57.2%, 34.9%)
CIE-LAB	lab(39.92, 47.07, 15.67)
CIE-LCH	lch(39.92, 49.61, 18.41°)
OKLab	oklab(50.04% 0.1414 0.0389)
OKLCH	oklch(50.04% 0.147 15.4)
XYZ	xyz(18.1841, 11.2027, 7.1648)
Luminance	0.1120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63647 #36A695

analogous

#A6367F #A63647 #A65D36

triadic

#A63647 #47A636 #3647A6

tetradic

#A63647 #7FA636 #36A695 #5D36A6

square

#A63647 #7FA636 #36A695 #5D36A6

split-complementary

#A63647 #36A65D #367FA6

monochromatic

#4A181F #782733 #A63647 #C75264 #D6818D

Accessibility & contrast

On white

6.48

#A63647 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#A63647 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63647

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63647	#FFFFFF	#000000	##FFFFFF
##A63647	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524F47

Deuteranopia (green-blind)

#6F6744

Tritanopia (blue-blind)

#B51F3D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a63647;
/* rgb */ color: rgb(166, 54, 71);
/* oklch */ color: oklch(50.0% 0.147 15.4);

Tailwind

colors: {
  custom: {
    50: '#c6747a',
    500: '#a63647',
    950: '#000000',
  },
}

SCSS

$custom: #a63647;
$custom-light: #c6747a;
$custom-dark: #000000;

JSON

{
  "hex": "#a63647",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 71
  },
  "hsl": {
    "h": 350.893,
    "s": 50.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50041,
    "c": 0.14665,
    "h": 15.4
  },
  "luminance": 0.112
}

Semantic roles & 50–950 ramp

primary

#A63647

secondary

#79BFB4

accent

#DAC54D

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140909

muted

#827B7B

Preview Lab

Preview with #A63647

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

Preview Lab → · Contrast checker → · Palette generator →