#A63E40#A63E40

#A63E40 is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.138 H 22.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#A63E40
RGB	rgb(166, 62, 64)
HSL	hsl(359, 46%, 45%)
HSV	hsv(359, 63%, 65%)
CMYK	cmyk(0%, 62.7%, 61.4%, 34.9%)
CIE-LAB	lab(41.10, 43.01, 21.57)
CIE-LCH	lch(41.10, 48.11, 26.63°)
OKLab	oklab(50.88% 0.1273 0.0521)
OKLCH	oklch(50.88% 0.138 22.3)
XYZ	xyz(18.3756, 11.9248, 6.1836)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E40 #3EA6A4

analogous

#A63E74 #A63E40 #A6703E

triadic

#A63E40 #40A63E #3E40A6

tetradic

#A63E40 #74A63E #3EA6A4 #703EA6

square

#A63E40 #74A63E #3EA6A4 #703EA6

split-complementary

#A63E40 #3EA670 #3E74A6

monochromatic

#4D1D1E #792D2F #A63E40 #C35E60 #D48B8C

Accessibility & contrast

On white

6.20

#A63E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#A63E40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E40

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E40	#FFFFFF	#000000	##FFFFFF
##A63E40	1.00	6.20	3.38	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533F

Deuteranopia (green-blind)

#72693D

Tritanopia (blue-blind)

#B62940

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63e40;
/* rgb */ color: rgb(166, 62, 64);
/* oklch */ color: oklch(50.9% 0.138 22.3);

Tailwind

colors: {
  custom: {
    50: '#c67874',
    500: '#a63e40',
    950: '#000000',
  },
}

SCSS

$custom: #a63e40;
$custom-light: #c67874;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e40",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 358.846,
    "s": 45.614,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50878,
    "c": 0.13757,
    "h": 22.3
  },
  "luminance": 0.11922
}

Semantic roles & 50–950 ramp

primary

#A63E40

secondary

#82BEBD

accent

#D5D353

background

#FCF7F7

surface

#F9EEED

border

#D2C9C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63E40

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

Preview Lab → · Contrast checker → · Palette generator →