#A01937#A01937

#A01937 is a mid, vivid red. Relative luminance 0.084; OKLCH L 46.0% C 0.168 H 15.8°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#A01937
RGB	rgb(160, 25, 55)
HSL	hsl(347, 73%, 36%)
HSV	hsv(347, 84%, 63%)
CMYK	cmyk(0%, 84.4%, 65.6%, 37.3%)
CIE-LAB	lab(34.90, 54.00, 18.99)
CIE-LCH	lch(34.90, 57.24, 19.37°)
OKLab	oklab(46% 0.1614 0.0455)
OKLCH	oklch(46% 0.168 15.8)
XYZ	xyz(15.5361, 8.4471, 4.4261)
Luminance	0.0844 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01937 #19A082

analogous

#A0197B #A01937 #A03F19

triadic

#A01937 #37A019 #1937A0

tetradic

#A01937 #7BA019 #19A082 #3F19A0

square

#A01937 #7BA019 #19A082 #3F19A0

split-complementary

#A01937 #19A03F #197BA0

monochromatic

#360813 #6B1125 #A01937 #D52149 #E45071

Accessibility & contrast

On white

7.81

#A01937 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A01937 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01937

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01937	#FFFFFF	#000000	##FFFFFF
##A01937	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434037

Deuteranopia (green-blind)

#645C33

Tritanopia (blue-blind)

#B00027

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01937;
/* rgb */ color: rgb(160, 25, 55);
/* oklch */ color: oklch(46.0% 0.168 15.8);

Tailwind

colors: {
  custom: {
    50: '#c4666d',
    500: '#a01937',
    950: '#000000',
  },
}

SCSS

$custom: #a01937;
$custom-light: #c4666d;
$custom-dark: #000000;

JSON

{
  "hex": "#a01937",
  "rgb": {
    "r": 160,
    "g": 25,
    "b": 55
  },
  "hsl": {
    "h": 346.667,
    "s": 72.973,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45999,
    "c": 0.1677,
    "h": 15.8
  },
  "luminance": 0.08445
}

Semantic roles & 50–950 ramp

primary

#A01937

secondary

#4FC6AB

accent

#F0C738

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A01937

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

Preview Lab → · Contrast checker → · Palette generator →