#A42D37#A42D37

#A42D37 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.155 H 20.7°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#A42D37
RGB	rgb(164, 45, 55)
HSL	hsl(355, 57%, 41%)
HSV	hsv(355, 73%, 64%)
CMYK	cmyk(0%, 72.6%, 66.5%, 35.7%)
CIE-LAB	lab(37.93, 48.93, 23.02)
CIE-LCH	lch(37.93, 54.07, 25.19°)
OKLab	oklab(48.39% 0.1446 0.0545)
OKLCH	oklch(48.39% 0.155 20.7)
XYZ	xyz(16.9396, 10.0476, 4.6611)
Luminance	0.1004 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42D37 #2DA49A

analogous

#A42D72 #A42D37 #A45E2D

triadic

#A42D37 #37A42D #2D37A4

tetradic

#A42D37 #72A42D #2DA49A #5E2DA4

square

#A42D37 #72A42D #2DA49A #5E2DA4

split-complementary

#A42D37 #2DA45E #2D72A4

monochromatic

#441317 #742027 #A42D37 #CB434E #D9737B

Accessibility & contrast

On white

6.98

#A42D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A42D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42D37

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42D37	#FFFFFF	#000000	##FFFFFF
##A42D37	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4936

Deuteranopia (green-blind)

#6C6234

Tritanopia (blue-blind)

#B40332

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42d37;
/* rgb */ color: rgb(164, 45, 55);
/* oklch */ color: oklch(48.4% 0.155 20.7);

Tailwind

colors: {
  custom: {
    50: '#c66f6d',
    500: '#a42d37',
    950: '#000000',
  },
}

SCSS

$custom: #a42d37;
$custom-light: #c66f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42d37",
  "rgb": {
    "r": 164,
    "g": 45,
    "b": 55
  },
  "hsl": {
    "h": 354.958,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48388,
    "c": 0.15453,
    "h": 20.7
  },
  "luminance": 0.10045
}

Semantic roles & 50–950 ramp

primary

#A42D37

secondary

#6DC0B9

accent

#E0D348

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A42D37

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

Preview Lab → · Contrast checker → · Palette generator →