#3D73C7#3D73C7

#3D73C7 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.143 H 259.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3D73C7
RGB	rgb(61, 115, 199)
HSL	hsl(217, 55%, 51%)
HSV	hsv(217, 69%, 78%)
CMYK	cmyk(69.3%, 42.2%, 0%, 22%)
CIE-LAB	lab(48.73, 10.03, -49.03)
CIE-LCH	lch(48.73, 50.04, 281.56°)
OKLab	oklab(56.1% -0.0273 -0.14)
OKLCH	oklch(56.1% 0.143 259)
XYZ	xyz(18.3603, 17.3752, 56.4079)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73C7 #C7913D

analogous

#3DB8C7 #3D73C7 #4C3DC7

triadic

#3D73C7 #C73D73 #73C73D

tetradic

#3D73C7 #C73DB8 #C7913D #3DC74C

square

#3D73C7 #C73DB8 #C7913D #3DC74C

split-complementary

#3D73C7 #C74C3D #B8C73D

monochromatic

#1F3D6B #2D579A #3D73C7 #6C95D5 #9CB8E2

Accessibility & contrast

On white

4.69

#3D73C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3D73C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73C7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73C7	#FFFFFF	#000000	##FFFFFF
##3D73C7	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7BCA

Deuteranopia (green-blind)

#346EC5

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3d73c7;
/* rgb */ color: rgb(61, 115, 199);
/* oklch */ color: oklch(56.1% 0.143 259.0);

Tailwind

colors: {
  custom: {
    50: '#829ad8',
    500: '#3d73c7',
    950: '#000000',
  },
}

SCSS

$custom: #3d73c7;
$custom-light: #829ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73c7",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 199
  },
  "hsl": {
    "h": 216.522,
    "s": 55.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56097,
    "c": 0.14264,
    "h": 259
  },
  "luminance": 0.17377
}

Semantic roles & 50–950 ramp

primary

#3D73C7

secondary

#CEB791

accent

#A449DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3D73C7

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

Preview Lab → · Contrast checker → · Palette generator →