#A42C3F#A42C3F

#A42C3F is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.155 H 16.4°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#A42C3F
RGB	rgb(164, 44, 63)
HSL	hsl(351, 58%, 41%)
HSV	hsv(351, 73%, 64%)
CMYK	cmyk(0%, 73.2%, 61.6%, 35.7%)
CIE-LAB	lab(37.94, 49.81, 18.00)
CIE-LCH	lch(37.94, 52.96, 19.87°)
OKLab	oklab(48.45% 0.149 0.0439)
OKLCH	oklch(48.45% 0.155 16.4)
XYZ	xyz(17.1095, 10.0552, 5.7416)
Luminance	0.1005 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42C3F #2CA491

analogous

#A42C7B #A42C3F #A4552C

triadic

#A42C3F #3FA42C #2C3FA4

tetradic

#A42C3F #7BA42C #2CA491 #552CA4

square

#A42C3F #7BA42C #2CA491 #552CA4

split-complementary

#A42C3F #2CA455 #2C7BA4

monochromatic

#43121A #741F2C #A42C3F #CC4157 #D97182

Accessibility & contrast

On white

6.98

#A42C3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A42C3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42C3F

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42C3F	#FFFFFF	#000000	##FFFFFF
##A42C3F	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)

#4C493F

Deuteranopia (green-blind)

#6B623C

Tritanopia (blue-blind)

#B40634

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42c3f;
/* rgb */ color: rgb(164, 44, 63);
/* oklch */ color: oklch(48.4% 0.155 16.4);

Tailwind

colors: {
  custom: {
    50: '#c66f73',
    500: '#a42c3f',
    950: '#000000',
  },
}

SCSS

$custom: #a42c3f;
$custom-light: #c66f73;
$custom-dark: #000000;

JSON

{
  "hex": "#a42c3f",
  "rgb": {
    "r": 164,
    "g": 44,
    "b": 63
  },
  "hsl": {
    "h": 350.5,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48446,
    "c": 0.15533,
    "h": 16.4
  },
  "luminance": 0.10053
}

Semantic roles & 50–950 ramp

primary

#A42C3F

secondary

#6BC0B3

accent

#E1C947

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A42C3F

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

Preview Lab → · Contrast checker → · Palette generator →