#A01531#A01531

#A01531 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.6% C 0.170 H 17.9°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#A01531
RGB	rgb(160, 21, 49)
HSL	hsl(348, 77%, 35%)
HSV	hsv(348, 87%, 63%)
CMYK	cmyk(0%, 86.9%, 69.4%, 37.3%)
CIE-LAB	lab(34.47, 54.59, 22.30)
CIE-LCH	lch(34.47, 58.97, 22.22°)
OKLab	oklab(45.65% 0.162 0.0523)
OKLCH	oklch(45.65% 0.17 17.9)
XYZ	xyz(15.3215, 8.2341, 3.6877)
Luminance	0.0823 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01531 #15A084

analogous

#A01576 #A01531 #A03F15

triadic

#A01531 #31A015 #1531A0

tetradic

#A01531 #76A015 #15A084 #3F15A0

square

#A01531 #76A015 #15A084 #3F15A0

split-complementary

#A01531 #15A03F #1576A0

monochromatic

#340710 #6A0E20 #A01531 #D61C42 #E74868

Accessibility & contrast

On white

7.94

#A01531 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#A01531 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01531

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01531	#FFFFFF	#000000	##FFFFFF
##A01531	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423F31

Deuteranopia (green-blind)

#645B2D

Tritanopia (blue-blind)

#B00022

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01531;
/* rgb */ color: rgb(160, 21, 49);
/* oklch */ color: oklch(45.6% 0.170 17.9);

Tailwind

colors: {
  custom: {
    50: '#c46568',
    500: '#a01531',
    950: '#000000',
  },
}

SCSS

$custom: #a01531;
$custom-light: #c46568;
$custom-dark: #000000;

JSON

{
  "hex": "#a01531",
  "rgb": {
    "r": 160,
    "g": 21,
    "b": 49
  },
  "hsl": {
    "h": 347.914,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45646,
    "c": 0.1702,
    "h": 17.9
  },
  "luminance": 0.08232
}

Semantic roles & 50–950 ramp

primary

#A01531

secondary

#49C8AE

accent

#F3CD34

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140606

muted

#837A7A

Preview Lab

Preview with #A01531

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

Preview Lab → · Contrast checker → · Palette generator →