#3B73D9#3B73D9

#3B73D9 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.167 H 261.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B73D9
RGB	rgb(59, 115, 217)
HSL	hsl(219, 68%, 54%)
HSV	hsv(219, 73%, 85%)
CMYK	cmyk(72.8%, 47%, 0%, 14.9%)
CIE-LAB	lab(49.74, 16.28, -57.67)
CIE-LCH	lch(49.74, 59.93, 285.77°)
OKLab	oklab(57.2% -0.0256 -0.1655)
OKLCH	oklch(57.2% 0.167 261.2)
XYZ	xyz(20.4543, 18.1988, 68.0669)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73D9 #D9A13B

analogous

#3BC2D9 #3B73D9 #523BD9

triadic

#3B73D9 #D93B73 #73D93B

tetradic

#3B73D9 #D93BC2 #D9A13B #3BD952

square

#3B73D9 #D93BC2 #D9A13B #3BD952

split-complementary

#3B73D9 #D9523B #C2D93B

monochromatic

#193E81 #2356B4 #3B73D9 #6E98E3 #A2BCED

Accessibility & contrast

On white

4.53

#3B73D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3B73D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B73D9

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73D9	#FFFFFF	#000000	##000000
##3B73D9	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7EDD

Deuteranopia (green-blind)

#116FD7

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b73d9;
/* rgb */ color: rgb(59, 115, 217);
/* oklch */ color: oklch(57.2% 0.167 261.2);

Tailwind

colors: {
  custom: {
    50: '#859ae5',
    500: '#3b73d9',
    950: '#000000',
  },
}

SCSS

$custom: #3b73d9;
$custom-light: #859ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73d9",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 217
  },
  "hsl": {
    "h": 218.734,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57201,
    "c": 0.16742,
    "h": 261.2
  },
  "luminance": 0.18201
}

Semantic roles & 50–950 ramp

primary

#3B73D9

secondary

#DAC296

accent

#AD3DEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3B73D9

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

Preview Lab → · Contrast checker → · Palette generator →