#3D73C8#3D73C8

#3D73C8 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.2% C 0.144 H 259.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3D73C8
RGB	rgb(61, 115, 200)
HSL	hsl(217, 56%, 51%)
HSV	hsv(217, 70%, 78%)
CMYK	cmyk(69.5%, 42.5%, 0%, 21.6%)
CIE-LAB	lab(48.79, 10.39, -49.51)
CIE-LCH	lch(48.79, 50.59, 281.85°)
OKLab	oklab(56.16% -0.0271 -0.1414)
OKLCH	oklch(56.16% 0.144 259.2)
XYZ	xyz(18.4768, 17.4218, 57.0214)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73C8 #C8923D

analogous

#3DB8C8 #3D73C8 #4C3DC8

triadic

#3D73C8 #C83D73 #73C83D

tetradic

#3D73C8 #C83DB8 #C8923D #3DC84C

square

#3D73C8 #C83DB8 #C8923D #3DC84C

split-complementary

#3D73C8 #C84C3D #B8C83D

monochromatic

#1F3D6C #2C579C #3D73C8 #6D95D6 #9CB8E3

Accessibility & contrast

On white

4.68

#3D73C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3D73C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73C8

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73C8	#FFFFFF	#000000	##FFFFFF
##3D73C8	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7BCB

Deuteranopia (green-blind)

#336EC6

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3d73c8;
/* rgb */ color: rgb(61, 115, 200);
/* oklch */ color: oklch(56.2% 0.144 259.2);

Tailwind

colors: {
  custom: {
    50: '#829ad9',
    500: '#3d73c8',
    950: '#000000',
  },
}

SCSS

$custom: #3d73c8;
$custom-light: #829ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73c8",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 200
  },
  "hsl": {
    "h": 216.691,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56161,
    "c": 0.14399,
    "h": 259.2
  },
  "luminance": 0.17424
}

Semantic roles & 50–950 ramp

primary

#3D73C8

secondary

#CFB792

accent

#A549DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D73C8

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

Preview Lab → · Contrast checker → · Palette generator →