#A42F36#A42F36

#A42F36 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.6% C 0.153 H 21.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#A42F36
RGB	rgb(164, 47, 54)
HSL	hsl(356, 55%, 41%)
HSV	hsv(356, 71%, 64%)
CMYK	cmyk(0%, 71.3%, 67.1%, 35.7%)
CIE-LAB	lab(38.19, 48.11, 23.96)
CIE-LCH	lch(38.19, 53.74, 26.48°)
OKLab	oklab(48.58% 0.1417 0.0566)
OKLCH	oklch(48.58% 0.153 21.7)
XYZ	xyz(16.9940, 10.1944, 4.5622)
Luminance	0.1019 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42F36 #2FA49D

analogous

#A42F71 #A42F36 #A4632F

triadic

#A42F36 #36A42F #2F36A4

tetradic

#A42F36 #71A42F #2FA49D #632FA4

square

#A42F36 #71A42F #2FA49D #632FA4

split-complementary

#A42F36 #2FA463 #2F71A4

monochromatic

#451417 #742126 #A42F36 #CA464E #D8767C

Accessibility & contrast

On white

6.91

#A42F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A42F36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F36

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42F36	#FFFFFF	#000000	##FFFFFF
##A42F36	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A35

Deuteranopia (green-blind)

#6D6333

Tritanopia (blue-blind)

#B40933

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a42f36;
/* rgb */ color: rgb(164, 47, 54);
/* oklch */ color: oklch(48.6% 0.153 21.7);

Tailwind

colors: {
  custom: {
    50: '#c6706d',
    500: '#a42f36',
    950: '#000000',
  },
}

SCSS

$custom: #a42f36;
$custom-light: #c6706d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42f36",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 54
  },
  "hsl": {
    "h": 356.41,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48577,
    "c": 0.15261,
    "h": 21.7
  },
  "luminance": 0.10192
}

Semantic roles & 50–950 ramp

primary

#A42F36

secondary

#6FC0BB

accent

#DFD649

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A42F36

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

Preview Lab → · Contrast checker → · Palette generator →