#3B73D4#3B73D4

#3B73D4 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.9% C 0.161 H 260.6°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3B73D4
RGB	rgb(59, 115, 212)
HSL	hsl(218, 64%, 53%)
HSV	hsv(218, 72%, 83%)
CMYK	cmyk(72.2%, 45.8%, 0%, 16.9%)
CIE-LAB	lab(49.43, 14.46, -55.33)
CIE-LCH	lch(49.43, 57.19, 284.64°)
OKLab	oklab(56.86% -0.0264 -0.1586)
OKLCH	oklch(56.86% 0.161 260.6)
XYZ	xyz(19.8138, 17.9426, 64.6936)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73D4 #D49C3B

analogous

#3BC0D4 #3B73D4 #4F3BD4

triadic

#3B73D4 #D43B73 #73D43B

tetradic

#3B73D4 #D43BC0 #D49C3B #3BD44F

square

#3B73D4 #D43BC0 #D49C3B #3BD44F

split-complementary

#3B73D4 #D44F3B #C0D43B

monochromatic

#1B3E7A #2657AC #3B73D4 #6D97DF #9FBBEA

Accessibility & contrast

On white

4.58

#3B73D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3B73D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B73D4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73D4	#FFFFFF	#000000	##000000
##3B73D4	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417DD8

Deuteranopia (green-blind)

#1F6FD2

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b73d4;
/* rgb */ color: rgb(59, 115, 212);
/* oklch */ color: oklch(56.9% 0.161 260.6);

Tailwind

colors: {
  custom: {
    50: '#849ae2',
    500: '#3b73d4',
    950: '#000000',
  },
}

SCSS

$custom: #3b73d4;
$custom-light: #849ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73d4",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 212
  },
  "hsl": {
    "h": 218.039,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56864,
    "c": 0.16076,
    "h": 260.6
  },
  "luminance": 0.17945
}

Semantic roles & 50–950 ramp

primary

#3B73D4

secondary

#D6BE94

accent

#AA41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B73D4

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

Preview Lab → · Contrast checker → · Palette generator →