#A42E37#A42E37

#A42E37 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.154 H 21.0°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#A42E37
RGB	rgb(164, 46, 55)
HSL	hsl(355, 56%, 41%)
HSV	hsv(355, 72%, 64%)
CMYK	cmyk(0%, 72%, 66.5%, 35.7%)
CIE-LAB	lab(38.07, 48.55, 23.19)
CIE-LCH	lch(38.07, 53.80, 25.53°)
OKLab	oklab(48.49% 0.1434 0.0549)
OKLCH	oklch(48.49% 0.154 21)
XYZ	xyz(16.9782, 10.1248, 4.6740)
Luminance	0.1012 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42E37 #2EA49B

analogous

#A42E72 #A42E37 #A4602E

triadic

#A42E37 #37A42E #2E37A4

tetradic

#A42E37 #72A42E #2EA49B #602EA4

square

#A42E37 #72A42E #2EA49B #602EA4

split-complementary

#A42E37 #2EA460 #2E72A4

monochromatic

#441317 #742127 #A42E37 #CB454F #D8747C

Accessibility & contrast

On white

6.94

#A42E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#A42E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42E37

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42E37	#FFFFFF	#000000	##FFFFFF
##A42E37	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A36

Deuteranopia (green-blind)

#6C6334

Tritanopia (blue-blind)

#B40632

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a42e37;
/* rgb */ color: rgb(164, 46, 55);
/* oklch */ color: oklch(48.5% 0.154 21.0);

Tailwind

colors: {
  custom: {
    50: '#c66f6d',
    500: '#a42e37',
    950: '#000000',
  },
}

SCSS

$custom: #a42e37;
$custom-light: #c66f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42e37",
  "rgb": {
    "r": 164,
    "g": 46,
    "b": 55
  },
  "hsl": {
    "h": 355.424,
    "s": 56.19,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48491,
    "c": 0.15354,
    "h": 21
  },
  "luminance": 0.10122
}

Semantic roles & 50–950 ramp

primary

#A42E37

secondary

#6EC0BA

accent

#DFD448

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A42E37

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

Preview Lab → · Contrast checker → · Palette generator →