#A42D3F#A42D3F

#A42D3F is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.154 H 16.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#A42D3F
RGB	rgb(164, 45, 63)
HSL	hsl(351, 57%, 41%)
HSV	hsv(351, 73%, 64%)
CMYK	cmyk(0%, 72.6%, 61.6%, 35.7%)
CIE-LAB	lab(38.08, 49.44, 18.18)
CIE-LCH	lch(38.08, 52.68, 20.19°)
OKLab	oklab(48.55% 0.1478 0.0443)
OKLCH	oklch(48.55% 0.154 16.7)
XYZ	xyz(17.1472, 10.1306, 5.7542)
Luminance	0.1013 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42D3F #2DA492

analogous

#A42D7A #A42D3F #A4562D

triadic

#A42D3F #3FA42D #2D3FA4

tetradic

#A42D3F #7AA42D #2DA492 #562DA4

square

#A42D3F #7AA42D #2DA492 #562DA4

split-complementary

#A42D3F #2DA456 #2D7AA4

monochromatic

#44131A #74202D #A42D3F #CB4357 #D97382

Accessibility & contrast

On white

6.94

#A42D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A42D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42D3F

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42D3F	#FFFFFF	#000000	##FFFFFF
##A42D3F	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4A3F

Deuteranopia (green-blind)

#6B633C

Tritanopia (blue-blind)

#B40935

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a42d3f;
/* rgb */ color: rgb(164, 45, 63);
/* oklch */ color: oklch(48.5% 0.154 16.7);

Tailwind

colors: {
  custom: {
    50: '#c66f73',
    500: '#a42d3f',
    950: '#000000',
  },
}

SCSS

$custom: #a42d3f;
$custom-light: #c66f73;
$custom-dark: #000000;

JSON

{
  "hex": "#a42d3f",
  "rgb": {
    "r": 164,
    "g": 45,
    "b": 63
  },
  "hsl": {
    "h": 350.924,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48546,
    "c": 0.1543,
    "h": 16.7
  },
  "luminance": 0.10128
}

Semantic roles & 50–950 ramp

primary

#A42D3F

secondary

#6DC0B3

accent

#E0C948

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A42D3F

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

Preview Lab → · Contrast checker → · Palette generator →