#A63D43#A63D43

#A63D43 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.138 H 20.2°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#A63D43
RGB	rgb(166, 61, 67)
HSL	hsl(357, 46%, 45%)
HSV	hsv(357, 63%, 65%)
CMYK	cmyk(0%, 63.3%, 59.6%, 34.9%)
CIE-LAB	lab(40.98, 43.69, 19.57)
CIE-LCH	lch(40.98, 47.87, 24.13°)
OKLab	oklab(50.81% 0.13 0.0478)
OKLCH	oklch(50.81% 0.138 20.2)
XYZ	xyz(18.4094, 11.8521, 6.6274)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D43 #3DA6A0

analogous

#A63D78 #A63D43 #A66B3D

triadic

#A63D43 #43A63D #3D43A6

tetradic

#A63D43 #78A63D #3DA6A0 #6B3DA6

square

#A63D43 #78A63D #3DA6A0 #6B3DA6

split-complementary

#A63D43 #3DA66B #3D78A6

monochromatic

#4C1C1F #792D31 #A63D43 #C35D63 #D48A8E

Accessibility & contrast

On white

6.23

#A63D43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#A63D43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D43

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D43	#FFFFFF	#000000	##FFFFFF
##A63D43	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575343

Deuteranopia (green-blind)

#726940

Tritanopia (blue-blind)

#B62940

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63d43;
/* rgb */ color: rgb(166, 61, 67);
/* oklch */ color: oklch(50.8% 0.138 20.2);

Tailwind

colors: {
  custom: {
    50: '#c67877',
    500: '#a63d43',
    950: '#000000',
  },
}

SCSS

$custom: #a63d43;
$custom-light: #c67877;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d43",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 67
  },
  "hsl": {
    "h": 356.571,
    "s": 46.256,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50808,
    "c": 0.13849,
    "h": 20.2
  },
  "luminance": 0.1185
}

Semantic roles & 50–950 ramp

primary

#A63D43

secondary

#80BEBB

accent

#D6CE52

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63D43

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

Preview Lab → · Contrast checker → · Palette generator →