#373CC1#373CC1

#373CC1 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.6% C 0.202 H 273.0°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#373CC1
RGB	rgb(55, 60, 193)
HSL	hsl(238, 56%, 49%)
HSV	hsv(238, 72%, 76%)
CMYK	cmyk(71.5%, 68.9%, 0%, 24.3%)
CIE-LAB	lab(33.76, 41.90, -69.82)
CIE-LCH	lch(33.76, 81.43, 300.97°)
OKLab	oklab(44.63% 0.0107 -0.2019)
OKLCH	oklch(44.63% 0.202 273)
XYZ	xyz(12.8138, 7.8929, 51.2899)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373CC1 #C1BC37

analogous

#3781C1 #373CC1 #7737C1

triadic

#373CC1 #C1373C #3CC137

tetradic

#373CC1 #C13781 #C1BC37 #37C177

square

#373CC1 #C13781 #C1BC37 #37C177

split-complementary

#373CC1 #C17737 #81C137

monochromatic

#1C1E62 #292D91 #373CC1 #6367D2 #9295E0

Accessibility & contrast

On white

8.14

#373CC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#373CC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CC1

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373CC1	#FFFFFF	#000000	##FFFFFF
##373CC1	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C5

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #373cc1;
/* rgb */ color: rgb(55, 60, 193);
/* oklch */ color: oklch(44.6% 0.202 273.0);

Tailwind

colors: {
  custom: {
    50: '#8272d5',
    500: '#373cc1',
    950: '#000000',
  },
}

SCSS

$custom: #373cc1;
$custom-light: #8272d5;
$custom-dark: #000000;

JSON

{
  "hex": "#373cc1",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 193
  },
  "hsl": {
    "h": 237.826,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44632,
    "c": 0.20217,
    "h": 273
  },
  "luminance": 0.07894
}

Semantic roles & 50–950 ramp

primary

#373CC1

secondary

#CBC989

accent

#DA49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373CC1

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

Preview Lab → · Contrast checker → · Palette generator →