#A1313B#A1313B

#A1313B is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.147 H 19.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#A1313B
RGB	rgb(161, 49, 59)
HSL	hsl(355, 53%, 41%)
HSV	hsv(355, 70%, 63%)
CMYK	cmyk(0%, 69.6%, 63.4%, 36.9%)
CIE-LAB	lab(38.01, 46.63, 20.50)
CIE-LCH	lch(38.01, 50.93, 23.73°)
OKLab	oklab(48.37% 0.1385 0.0494)
OKLCH	oklch(48.37% 0.147 19.6)
XYZ	xyz(16.5873, 10.0918, 5.2113)
Luminance	0.1009 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1313B #31A197

analogous

#A13173 #A1313B #A15F31

triadic

#A1313B #3BA131 #313BA1

tetradic

#A1313B #73A131 #31A197 #5F31A1

square

#A1313B #73A131 #31A197 #5F31A1

split-complementary

#A1313B #31A15F #3173A1

monochromatic

#431419 #72232A #A1313B #C74853 #D6777F

Accessibility & contrast

On white

6.96

#A1313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#A1313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1313B

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1313B	#FFFFFF	#000000	##FFFFFF
##A1313B	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A3B

Deuteranopia (green-blind)

#6B6238

Tritanopia (blue-blind)

#B11435

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a1313b;
/* rgb */ color: rgb(161, 49, 59);
/* oklch */ color: oklch(48.4% 0.147 19.6);

Tailwind

colors: {
  custom: {
    50: '#c37070',
    500: '#a1313b',
    950: '#000000',
  },
}

SCSS

$custom: #a1313b;
$custom-light: #c37070;
$custom-dark: #000000;

JSON

{
  "hex": "#a1313b",
  "rgb": {
    "r": 161,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 354.643,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48366,
    "c": 0.14699,
    "h": 19.6
  },
  "luminance": 0.10089
}

Semantic roles & 50–950 ramp

primary

#A1313B

secondary

#70BEB7

accent

#DDD04B

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A1313B

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

Preview Lab → · Contrast checker → · Palette generator →