#A42137#A42137

#A42137 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.165 H 17.7°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#A42137
RGB	rgb(164, 33, 55)
HSL	hsl(350, 66%, 39%)
HSV	hsv(350, 80%, 64%)
CMYK	cmyk(0%, 79.9%, 66.5%, 35.7%)
CIE-LAB	lab(36.48, 52.98, 21.18)
CIE-LCH	lch(36.48, 57.06, 21.79°)
OKLab	oklab(47.31% 0.1576 0.0504)
OKLCH	oklch(47.31% 0.165 17.7)
XYZ	xyz(16.5451, 9.2586, 4.5296)
Luminance	0.0926 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42137 #21A48E

analogous

#A42178 #A42137 #A44C21

triadic

#A42137 #37A421 #2137A4

tetradic

#A42137 #78A421 #21A48E #4C21A4

square

#A42137 #78A421 #21A48E #4C21A4

split-complementary

#A42137 #21A44C #2178A4

monochromatic

#3E0C15 #711726 #A42137 #D52D49 #DF6076

Accessibility & contrast

On white

7.37

#A42137 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A42137 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42137

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42137	#FFFFFF	#000000	##FFFFFF
##A42137	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484437

Deuteranopia (green-blind)

#696033

Tritanopia (blue-blind)

#B4002B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a42137;
/* rgb */ color: rgb(164, 33, 55);
/* oklch */ color: oklch(47.3% 0.165 17.7);

Tailwind

colors: {
  custom: {
    50: '#c76a6d',
    500: '#a42137',
    950: '#000000',
  },
}

SCSS

$custom: #a42137;
$custom-light: #c76a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42137",
  "rgb": {
    "r": 164,
    "g": 33,
    "b": 55
  },
  "hsl": {
    "h": 349.924,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47311,
    "c": 0.16541,
    "h": 17.7
  },
  "luminance": 0.09256
}

Semantic roles & 50–950 ramp

primary

#A42137

secondary

#5DC4B3

accent

#E9CD3E

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A42137

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

Preview Lab → · Contrast checker → · Palette generator →