#A42A3F#A42A3F

#A42A3F is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.3% C 0.157 H 15.9°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#A42A3F
RGB	rgb(164, 42, 63)
HSL	hsl(350, 59%, 40%)
HSV	hsv(350, 74%, 64%)
CMYK	cmyk(0%, 74.4%, 61.6%, 35.7%)
CIE-LAB	lab(37.68, 50.54, 17.66)
CIE-LCH	lch(37.68, 53.53, 19.26°)
OKLab	oklab(48.25% 0.1513 0.0431)
OKLCH	oklch(48.25% 0.157 15.9)
XYZ	xyz(17.0367, 9.9098, 5.7174)
Luminance	0.0991 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42A3F #2AA48F

analogous

#A42A7C #A42A3F #A4522A

triadic

#A42A3F #3FA42A #2A3FA4

tetradic

#A42A3F #7CA42A #2AA48F #522AA4

square

#A42A3F #7CA42A #2AA48F #522AA4

split-complementary

#A42A3F #2AA452 #2A7CA4

monochromatic

#43111A #731E2C #A42A3F #CD3E56 #DA6E81

Accessibility & contrast

On white

7.04

#A42A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#A42A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A3F

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42A3F	#FFFFFF	#000000	##FFFFFF
##A42A3F	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B483F

Deuteranopia (green-blind)

#6A623C

Tritanopia (blue-blind)

#B40033

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42a3f;
/* rgb */ color: rgb(164, 42, 63);
/* oklch */ color: oklch(48.3% 0.157 15.9);

Tailwind

colors: {
  custom: {
    50: '#c66e73',
    500: '#a42a3f',
    950: '#000000',
  },
}

SCSS

$custom: #a42a3f;
$custom-light: #c66e73;
$custom-dark: #000000;

JSON

{
  "hex": "#a42a3f",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 63
  },
  "hsl": {
    "h": 349.672,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48252,
    "c": 0.15733,
    "h": 15.9
  },
  "luminance": 0.09907
}

Semantic roles & 50–950 ramp

primary

#A42A3F

secondary

#69C1B2

accent

#E2C745

background

#FDF6F7

surface

#FAECED

border

#D3C7C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A42A3F

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

Preview Lab → · Contrast checker → · Palette generator →