#3D73DF#3D73DF

#3D73DF is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.7% C 0.175 H 262.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3D73DF
RGB	rgb(61, 115, 223)
HSL	hsl(220, 72%, 56%)
HSV	hsv(220, 73%, 87%)
CMYK	cmyk(72.6%, 48.4%, 0%, 12.5%)
CIE-LAB	lab(50.19, 18.73, -60.33)
CIE-LCH	lch(50.19, 63.17, 287.25°)
OKLab	oklab(57.69% -0.0232 -0.1732)
OKLCH	oklch(57.69% 0.175 262.4)
XYZ	xyz(21.3697, 18.5790, 72.2576)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73DF #DFA93D

analogous

#3DC4DF #3D73DF #583DDF

triadic

#3D73DF #DF3D73 #73DF3D

tetradic

#3D73DF #DF3DC4 #DFA93D #3DDF58

square

#3D73DF #DF3DC4 #DFA93D #3DDF58

split-complementary

#3D73DF #DF583D #C4DF3D

monochromatic

#173D8B #2055BF #3D73DF #7299E8 #A6BFF0

Accessibility & contrast

On white

4.45

#3D73DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3D73DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D73DF

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73DF	#FFFFFF	#000000	##000000
##3D73DF	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367FE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#008D9E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3d73df;
/* rgb */ color: rgb(61, 115, 223);
/* oklch */ color: oklch(57.7% 0.175 262.4);

Tailwind

colors: {
  custom: {
    50: '#879aea',
    500: '#3d73df',
    950: '#000000',
  },
}

SCSS

$custom: #3d73df;
$custom-light: #879aea;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73df",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 223
  },
  "hsl": {
    "h": 220,
    "s": 71.681,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57692,
    "c": 0.17479,
    "h": 262.4
  },
  "luminance": 0.18581
}

Semantic roles & 50–950 ramp

primary

#3D73DF

secondary

#DEC79A

accent

#B239EE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3D73DF

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

Preview Lab → · Contrast checker → · Palette generator →