#A63040#A63040

#A63040 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.2% C 0.153 H 17.3°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#A63040
RGB	rgb(166, 48, 64)
HSL	hsl(352, 55%, 42%)
HSV	hsv(352, 71%, 65%)
CMYK	cmyk(0%, 71.1%, 61.4%, 34.9%)
CIE-LAB	lab(38.89, 49.00, 18.69)
CIE-LCH	lch(38.89, 52.44, 20.88°)
OKLab	oklab(49.23% 0.1463 0.0455)
OKLCH	oklch(49.23% 0.153 17.3)
XYZ	xyz(17.7100, 10.5936, 5.9617)
Luminance	0.1059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63040 #30A696

analogous

#A6307B #A63040 #A65B30

triadic

#A63040 #40A630 #3040A6

tetradic

#A63040 #7BA630 #30A696 #5B30A6

square

#A63040 #7BA630 #30A696 #5B30A6

split-complementary

#A63040 #30A65B #307BA6

monochromatic

#47151B #77222E #A63040 #CA495A #D87885

Accessibility & contrast

On white

6.73

#A63040 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A63040 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63040

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63040	#FFFFFF	#000000	##FFFFFF
##A63040	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4C40

Deuteranopia (green-blind)

#6D653D

Tritanopia (blue-blind)

#B61037

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63040;
/* rgb */ color: rgb(166, 48, 64);
/* oklch */ color: oklch(49.2% 0.153 17.3);

Tailwind

colors: {
  custom: {
    50: '#c77174',
    500: '#a63040',
    950: '#000000',
  },
}

SCSS

$custom: #a63040;
$custom-light: #c77174;
$custom-dark: #000000;

JSON

{
  "hex": "#a63040",
  "rgb": {
    "r": 166,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 351.864,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49225,
    "c": 0.15324,
    "h": 17.3
  },
  "luminance": 0.10591
}

Semantic roles & 50–950 ramp

primary

#A63040

secondary

#71C0B6

accent

#DECA49

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A63040

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

Preview Lab → · Contrast checker → · Palette generator →