#A63C44#A63C44

#A63C44 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.7% C 0.140 H 19.2°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#A63C44
RGB	rgb(166, 60, 68)
HSL	hsl(355, 47%, 44%)
HSV	hsv(355, 64%, 65%)
CMYK	cmyk(0%, 63.9%, 59%, 34.9%)
CIE-LAB	lab(40.83, 44.22, 18.75)
CIE-LCH	lch(40.83, 48.03, 22.98°)
OKLab	oklab(50.7% 0.1318 0.0459)
OKLCH	oklch(50.7% 0.14 19.2)
XYZ	xyz(18.3868, 11.7585, 6.7691)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63C44 #3CA69E

analogous

#A63C79 #A63C44 #A6693C

triadic

#A63C44 #44A63C #3C44A6

tetradic

#A63C44 #79A63C #3CA69E #693CA6

square

#A63C44 #79A63C #3CA69E #693CA6

split-complementary

#A63C44 #3CA669 #3C79A6

monochromatic

#4C1C1F #792C32 #A63C44 #C45B63 #D4888E

Accessibility & contrast

On white

6.27

#A63C44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#A63C44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63C44

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63C44	#FFFFFF	#000000	##FFFFFF
##A63C44	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565244

Deuteranopia (green-blind)

#716941

Tritanopia (blue-blind)

#B62740

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63c44;
/* rgb */ color: rgb(166, 60, 68);
/* oklch */ color: oklch(50.7% 0.140 19.2);

Tailwind

colors: {
  custom: {
    50: '#c67777',
    500: '#a63c44',
    950: '#000000',
  },
}

SCSS

$custom: #a63c44;
$custom-light: #c67777;
$custom-dark: #000000;

JSON

{
  "hex": "#a63c44",
  "rgb": {
    "r": 166,
    "g": 60,
    "b": 68
  },
  "hsl": {
    "h": 355.472,
    "s": 46.903,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50702,
    "c": 0.13961,
    "h": 19.2
  },
  "luminance": 0.11756
}

Semantic roles & 50–950 ramp

primary

#A63C44

secondary

#7FBEBA

accent

#D7CC51

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63C44

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

Preview Lab → · Contrast checker → · Palette generator →