#A1373B#A1373B

#A1373B is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.140 H 21.8°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#A1373B
RGB	rgb(161, 55, 59)
HSL	hsl(358, 49%, 42%)
HSV	hsv(358, 66%, 63%)
CMYK	cmyk(0%, 65.8%, 63.4%, 36.9%)
CIE-LAB	lab(38.95, 44.08, 21.71)
CIE-LCH	lch(38.95, 49.13, 26.22°)
OKLab	oklab(49.07% 0.1303 0.0521)
OKLCH	oklch(49.07% 0.14 21.8)
XYZ	xyz(16.8552, 10.6275, 5.3006)
Luminance	0.1062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1373B #37A19D

analogous

#A13770 #A1373B #A16837

triadic

#A1373B #3BA137 #373BA1

tetradic

#A1373B #70A137 #37A19D #6837A1

square

#A1373B #70A137 #37A19D #6837A1

split-complementary

#A1373B #37A168 #3770A1

monochromatic

#46181A #73272A #A1373B #C45156 #D37F82

Accessibility & contrast

On white

6.72

#A1373B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A1373B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1373B

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1373B	#FFFFFF	#000000	##FFFFFF
##A1373B	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D3A

Deuteranopia (green-blind)

#6D6438

Tritanopia (blue-blind)

#B02039

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a1373b;
/* rgb */ color: rgb(161, 55, 59);
/* oklch */ color: oklch(49.1% 0.140 21.8);

Tailwind

colors: {
  custom: {
    50: '#c37471',
    500: '#a1373b',
    950: '#000000',
  },
}

SCSS

$custom: #a1373b;
$custom-light: #c37471;
$custom-dark: #000000;

JSON

{
  "hex": "#a1373b",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 59
  },
  "hsl": {
    "h": 357.736,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49068,
    "c": 0.14037,
    "h": 21.8
  },
  "luminance": 0.10625
}

Semantic roles & 50–950 ramp

primary

#A1373B

secondary

#77BDBA

accent

#D9D34F

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A1373B

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

Preview Lab → · Contrast checker → · Palette generator →