#3D73DC#3D73DC

#3D73DC is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.5% C 0.171 H 262.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3D73DC
RGB	rgb(61, 115, 220)
HSL	hsl(220, 69%, 55%)
HSV	hsv(220, 72%, 86%)
CMYK	cmyk(72.3%, 47.7%, 0%, 13.7%)
CIE-LAB	lab(50.00, 17.64, -58.94)
CIE-LCH	lch(50.00, 61.52, 286.66°)
OKLab	oklab(57.49% -0.0237 -0.1692)
OKLCH	oklch(57.49% 0.171 262)
XYZ	xyz(20.9688, 18.4186, 70.1463)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73DC #DCA63D

analogous

#3DC2DC #3D73DC #573DDC

triadic

#3D73DC #DC3D73 #73DC3D

tetradic

#3D73DC #DC3DC2 #DCA63D #3DDC57

square

#3D73DC #DC3DC2 #DCA63D #3DDC57

split-complementary

#3D73DC #DC573D #C2DC3D

monochromatic

#183E86 #2255BA #3D73DC #7198E5 #A5BEEF

Accessibility & contrast

On white

4.48

#3D73DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3D73DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D73DC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73DC	#FFFFFF	#000000	##000000
##3D73DC	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397FE0

Deuteranopia (green-blind)

#0570DA

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3d73dc;
/* rgb */ color: rgb(61, 115, 220);
/* oklch */ color: oklch(57.5% 0.171 262.0);

Tailwind

colors: {
  custom: {
    50: '#869ae7',
    500: '#3d73dc',
    950: '#000000',
  },
}

SCSS

$custom: #3d73dc;
$custom-light: #869ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73dc",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 220
  },
  "hsl": {
    "h": 219.623,
    "s": 69.432,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57485,
    "c": 0.17081,
    "h": 262
  },
  "luminance": 0.18421
}

Semantic roles & 50–950 ramp

primary

#3D73DC

secondary

#DCC599

accent

#B03CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3D73DC

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

Preview Lab → · Contrast checker → · Palette generator →