#A01637#A01637

#A01637 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.8% C 0.170 H 15.3°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#A01637
RGB	rgb(160, 22, 55)
HSL	hsl(346, 76%, 36%)
HSV	hsv(346, 86%, 63%)
CMYK	cmyk(0%, 86.3%, 65.6%, 37.3%)
CIE-LAB	lab(34.65, 54.70, 18.67)
CIE-LCH	lch(34.65, 57.80, 18.84°)
OKLab	oklab(45.82% 0.1637 0.0448)
OKLCH	oklch(45.82% 0.17 15.3)
XYZ	xyz(15.4754, 8.3257, 4.4059)
Luminance	0.0832 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01637 #16A07F

analogous

#A0167C #A01637 #A03A16

triadic

#A01637 #37A016 #1637A0

tetradic

#A01637 #7CA016 #16A07F #3A16A0

square

#A01637 #7CA016 #16A07F #3A16A0

split-complementary

#A01637 #16A03A #167CA0

monochromatic

#340712 #6A0F25 #A01637 #D61D49 #E64A70

Accessibility & contrast

On white

7.88

#A01637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01637

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01637	#FFFFFF	#000000	##FFFFFF
##A01637	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423F37

Deuteranopia (green-blind)

#645B33

Tritanopia (blue-blind)

#B00025

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01637;
/* rgb */ color: rgb(160, 22, 55);
/* oklch */ color: oklch(45.8% 0.170 15.3);

Tailwind

colors: {
  custom: {
    50: '#c4656d',
    500: '#a01637',
    950: '#000000',
  },
}

SCSS

$custom: #a01637;
$custom-light: #c4656d;
$custom-dark: #000000;

JSON

{
  "hex": "#a01637",
  "rgb": {
    "r": 160,
    "g": 22,
    "b": 55
  },
  "hsl": {
    "h": 345.652,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45818,
    "c": 0.16968,
    "h": 15.3
  },
  "luminance": 0.08323
}

Semantic roles & 50–950 ramp

primary

#A01637

secondary

#4AC8AA

accent

#F2C535

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A01637

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

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