#A63644#A63644

#A63644 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.0% C 0.147 H 17.0°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A63644
RGB	rgb(166, 54, 68)
HSL	hsl(353, 51%, 43%)
HSV	hsv(353, 67%, 65%)
CMYK	cmyk(0%, 67.5%, 59%, 34.9%)
CIE-LAB	lab(39.86, 46.85, 17.46)
CIE-LCH	lch(39.86, 50.00, 20.44°)
OKLab	oklab(49.97% 0.1402 0.0429)
OKLCH	oklch(49.97% 0.147 17)
XYZ	xyz(18.0901, 11.1651, 6.6702)
Luminance	0.1116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63644 #36A698

analogous

#A6367C #A63644 #A66036

triadic

#A63644 #44A636 #3644A6

tetradic

#A63644 #7CA636 #36A698 #6036A6

square

#A63644 #7CA636 #36A698 #6036A6

split-complementary

#A63644 #36A660 #367CA6

monochromatic

#4A181E #782731 #A63644 #C75261 #D6818B

Accessibility & contrast

On white

6.50

#A63644 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A63644 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63644

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63644	#FFFFFF	#000000	##FFFFFF
##A63644	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524F44

Deuteranopia (green-blind)

#6F6741

Tritanopia (blue-blind)

#B61E3C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a63644;
/* rgb */ color: rgb(166, 54, 68);
/* oklch */ color: oklch(50.0% 0.147 17.0);

Tailwind

colors: {
  custom: {
    50: '#c67477',
    500: '#a63644',
    950: '#000000',
  },
}

SCSS

$custom: #a63644;
$custom-light: #c67477;
$custom-dark: #000000;

JSON

{
  "hex": "#a63644",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 68
  },
  "hsl": {
    "h": 352.5,
    "s": 50.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49974,
    "c": 0.14661,
    "h": 17
  },
  "luminance": 0.11163
}

Semantic roles & 50–950 ramp

primary

#A63644

secondary

#79BFB6

accent

#DAC94D

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63644

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

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