#373CD3#373CD3

#373CD3 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.224 H 272.1°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#373CD3
RGB	rgb(55, 60, 211)
HSL	hsl(238, 64%, 52%)
HSV	hsv(238, 74%, 83%)
CMYK	cmyk(73.9%, 71.6%, 0%, 17.3%)
CIE-LAB	lab(35.49, 47.93, -77.45)
CIE-LCH	lch(35.49, 91.09, 301.75°)
OKLab	oklab(46.4% 0.0083 -0.2241)
OKLCH	oklch(46.4% 0.224 272.1)
XYZ	xyz(14.9453, 8.7455, 62.5158)
Luminance	0.0875 (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

#373CD3 #D3CE37

analogous

#378AD3 #373CD3 #8037D3

triadic

#373CD3 #D3373C #3CD337

tetradic

#373CD3 #D3378A #D3CE37 #37D380

square

#373CD3 #D3378A #D3CE37 #37D380

split-complementary

#373CD3 #D38037 #8AD337

monochromatic

#1A1D76 #2529A8 #373CD3 #696DDE #9B9EE9

Accessibility & contrast

On white

7.64

#373CD3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#373CD3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CD3

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373CD3	#FFFFFF	#000000	##FFFFFF
##373CD3	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD7

Deuteranopia (green-blind)

#004CD0

Tritanopia (blue-blind)

#006784

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #373cd3;
/* rgb */ color: rgb(55, 60, 211);
/* oklch */ color: oklch(46.4% 0.224 272.1);

Tailwind

colors: {
  custom: {
    50: '#8673e2',
    500: '#373cd3',
    950: '#000000',
  },
}

SCSS

$custom: #373cd3;
$custom-light: #8673e2;
$custom-dark: #000000;

JSON

{
  "hex": "#373cd3",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 211
  },
  "hsl": {
    "h": 238.077,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46397,
    "c": 0.2243,
    "h": 272.1
  },
  "luminance": 0.08747
}

Semantic roles & 50–950 ramp

primary

#373CD3

secondary

#D5D391

accent

#E241E7

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #373CD3

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

Preview Lab → · Contrast checker → · Palette generator →