#A42F31#A42F31

#A42F31 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.153 H 24.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#A42F31
RGB	rgb(164, 47, 49)
HSL	hsl(359, 55%, 41%)
HSV	hsv(359, 71%, 64%)
CMYK	cmyk(0%, 71.3%, 70.1%, 35.7%)
CIE-LAB	lab(38.11, 47.83, 26.94)
CIE-LCH	lch(38.11, 54.90, 29.39°)
OKLab	oklab(48.49% 0.1398 0.0624)
OKLCH	oklch(48.49% 0.153 24.1)
XYZ	xyz(16.8826, 10.1498, 3.9753)
Luminance	0.1015 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42F31 #2FA4A2

analogous

#A42F6C #A42F31 #A4682F

triadic

#A42F31 #31A42F #2F31A4

tetradic

#A42F31 #6CA42F #2FA4A2 #682FA4

square

#A42F31 #6CA42F #2FA4A2 #682FA4

split-complementary

#A42F31 #2FA468 #2F6CA4

monochromatic

#451415 #742123 #A42F31 #CA4648 #D87677

Accessibility & contrast

On white

6.93

#A42F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A42F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F31

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42F31	#FFFFFF	#000000	##FFFFFF
##A42F31	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A30

Deuteranopia (green-blind)

#6D632D

Tritanopia (blue-blind)

#B40631

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a42f31;
/* rgb */ color: rgb(164, 47, 49);
/* oklch */ color: oklch(48.5% 0.153 24.1);

Tailwind

colors: {
  custom: {
    50: '#c67069',
    500: '#a42f31',
    950: '#000000',
  },
}

SCSS

$custom: #a42f31;
$custom-light: #c67069;
$custom-dark: #000000;

JSON

{
  "hex": "#a42f31",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 49
  },
  "hsl": {
    "h": 358.974,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48493,
    "c": 0.15311,
    "h": 24.1
  },
  "luminance": 0.10147
}

Semantic roles & 50–950 ramp

primary

#A42F31

secondary

#6FC0BE

accent

#DFDC49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A42F31

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

Preview Lab → · Contrast checker → · Palette generator →