#A63F44#A63F44

#A63F44 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.1% C 0.136 H 20.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#A63F44
RGB	rgb(166, 63, 68)
HSL	hsl(357, 45%, 45%)
HSV	hsv(357, 62%, 65%)
CMYK	cmyk(0%, 62%, 59%, 34.9%)
CIE-LAB	lab(41.35, 42.84, 19.43)
CIE-LCH	lch(41.35, 47.04, 24.40°)
OKLab	oklab(51.09% 0.1275 0.0475)
OKLCH	oklch(51.09% 0.136 20.4)
XYZ	xyz(18.5485, 12.0818, 6.8230)
Luminance	0.1208 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63F44 #3FA6A1

analogous

#A63F78 #A63F44 #A66D3F

triadic

#A63F44 #44A63F #3F44A6

tetradic

#A63F44 #78A63F #3FA6A1 #6D3FA6

square

#A63F44 #78A63F #3FA6A1 #6D3FA6

split-complementary

#A63F44 #3FA66D #3F78A6

monochromatic

#4D1D20 #7A2E32 #A63F44 #C36064 #D38C8F

Accessibility & contrast

On white

6.15

#A63F44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#A63F44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63F44

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63F44	#FFFFFF	#000000	##FFFFFF
##A63F44	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585443

Deuteranopia (green-blind)

#726A41

Tritanopia (blue-blind)

#B52C42

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63f44;
/* rgb */ color: rgb(166, 63, 68);
/* oklch */ color: oklch(51.1% 0.136 20.4);

Tailwind

colors: {
  custom: {
    50: '#c67977',
    500: '#a63f44',
    950: '#000000',
  },
}

SCSS

$custom: #a63f44;
$custom-light: #c67977;
$custom-dark: #000000;

JSON

{
  "hex": "#a63f44",
  "rgb": {
    "r": 166,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 357.087,
    "s": 44.978,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51089,
    "c": 0.13604,
    "h": 20.4
  },
  "luminance": 0.12079
}

Semantic roles & 50–950 ramp

primary

#A63F44

secondary

#83BEBB

accent

#D5CE53

background

#FCF7F7

surface

#F9EEED

border

#D2C9C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63F44

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

Preview Lab → · Contrast checker → · Palette generator →