#373BC2#373BC2

#373BC2 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.6% C 0.205 H 273.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#373BC2
RGB	rgb(55, 59, 194)
HSL	hsl(238, 56%, 49%)
HSV	hsv(238, 72%, 76%)
CMYK	cmyk(71.6%, 69.6%, 0%, 23.9%)
CIE-LAB	lab(33.63, 42.84, -70.62)
CIE-LCH	lch(33.63, 82.59, 301.24°)
OKLab	oklab(44.57% 0.0112 -0.2042)
OKLCH	oklch(44.57% 0.205 273.1)
XYZ	xyz(12.8739, 7.8339, 51.8621)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373BC2 #C2BE37

analogous

#3781C2 #373BC2 #7937C2

triadic

#373BC2 #C2373B #3BC237

tetradic

#373BC2 #C23781 #C2BE37 #37C279

square

#373BC2 #C23781 #C2BE37 #37C279

split-complementary

#373BC2 #C27937 #81C237

monochromatic

#1C1E63 #292D92 #373BC2 #6367D3 #9395E0

Accessibility & contrast

On white

8.18

#373BC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#373BC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373BC2

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373BC2	#FFFFFF	#000000	##FFFFFF
##373BC2	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C6

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #373bc2;
/* rgb */ color: rgb(55, 59, 194);
/* oklch */ color: oklch(44.6% 0.205 273.1);

Tailwind

colors: {
  custom: {
    50: '#8272d6',
    500: '#373bc2',
    950: '#000000',
  },
}

SCSS

$custom: #373bc2;
$custom-light: #8272d6;
$custom-dark: #000000;

JSON

{
  "hex": "#373bc2",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 194
  },
  "hsl": {
    "h": 238.273,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44571,
    "c": 0.20451,
    "h": 273.1
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#373BC2

secondary

#CBCA89

accent

#DB49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373BC2

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

Preview Lab → · Contrast checker → · Palette generator →