#A63A44#A63A44

#A63A44 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.5% C 0.142 H 18.4°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#A63A44
RGB	rgb(166, 58, 68)
HSL	hsl(354, 48%, 44%)
HSV	hsv(354, 65%, 65%)
CMYK	cmyk(0%, 65.1%, 59%, 34.9%)
CIE-LAB	lab(40.50, 45.11, 18.31)
CIE-LCH	lch(40.50, 48.69, 22.09°)
OKLab	oklab(50.45% 0.1347 0.0449)
OKLCH	oklch(50.45% 0.142 18.4)
XYZ	xyz(18.2840, 11.5529, 6.7348)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63A44 #3AA69C

analogous

#A63A7A #A63A44 #A6663A

triadic

#A63A44 #44A63A #3A44A6

tetradic

#A63A44 #7AA63A #3AA69C #663AA6

square

#A63A44 #7AA63A #3AA69C #663AA6

split-complementary

#A63A44 #3AA666 #3A7AA6

monochromatic

#4B1A1F #792A31 #A63A44 #C55862 #D5868D

Accessibility & contrast

On white

6.34

#A63A44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A63A44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63A44

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63A44	#FFFFFF	#000000	##FFFFFF
##A63A44	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555144

Deuteranopia (green-blind)

#706841

Tritanopia (blue-blind)

#B6243E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63a44;
/* rgb */ color: rgb(166, 58, 68);
/* oklch */ color: oklch(50.5% 0.142 18.4);

Tailwind

colors: {
  custom: {
    50: '#c67677',
    500: '#a63a44',
    950: '#000000',
  },
}

SCSS

$custom: #a63a44;
$custom-light: #c67677;
$custom-dark: #000000;

JSON

{
  "hex": "#a63a44",
  "rgb": {
    "r": 166,
    "g": 58,
    "b": 68
  },
  "hsl": {
    "h": 354.444,
    "s": 48.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50452,
    "c": 0.14197,
    "h": 18.4
  },
  "luminance": 0.1155
}

Semantic roles & 50–950 ramp

primary

#A63A44

secondary

#7DBFB9

accent

#D8CB50

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63A44

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

Preview Lab → · Contrast checker → · Palette generator →