#3B73C2#3B73C2

#3B73C2 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.7% C 0.137 H 257.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B73C2
RGB	rgb(59, 115, 194)
HSL	hsl(215, 53%, 50%)
HSV	hsv(215, 70%, 76%)
CMYK	cmyk(69.6%, 40.7%, 0%, 23.9%)
CIE-LAB	lab(48.37, 7.92, -46.74)
CIE-LCH	lch(48.37, 47.41, 279.61°)
OKLab	oklab(55.7% -0.0298 -0.1333)
OKLCH	oklch(55.7% 0.137 257.4)
XYZ	xyz(17.6684, 17.0845, 53.3950)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73C2 #C28A3B

analogous

#3BB7C2 #3B73C2 #463BC2

triadic

#3B73C2 #C23B73 #73C23B

tetradic

#3B73C2 #C23BB7 #C28A3B #3BC246

square

#3B73C2 #C23BB7 #C28A3B #3BC246

split-complementary

#3B73C2 #C2463B #B7C23B

monochromatic

#1E3B64 #2D5793 #3B73C2 #6994D1 #98B6E0

Accessibility & contrast

On white

4.75

#3B73C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3B73C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B73C2

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73C2	#FFFFFF	#000000	##FFFFFF
##3B73C2	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7AC5

Deuteranopia (green-blind)

#396DC0

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b73c2;
/* rgb */ color: rgb(59, 115, 194);
/* oklch */ color: oklch(55.7% 0.137 257.4);

Tailwind

colors: {
  custom: {
    50: '#809ad5',
    500: '#3b73c2',
    950: '#000000',
  },
}

SCSS

$custom: #3b73c2;
$custom-light: #809ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73c2",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 194
  },
  "hsl": {
    "h": 215.111,
    "s": 53.36,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55702,
    "c": 0.13662,
    "h": 257.4
  },
  "luminance": 0.17086
}

Semantic roles & 50–950 ramp

primary

#3B73C2

secondary

#CBB28E

accent

#A04BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3B73C2

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

Preview Lab → · Contrast checker → · Palette generator →