#3B73D2#3B73D2

#3B73D2 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.7% C 0.158 H 260.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3B73D2
RGB	rgb(59, 115, 210)
HSL	hsl(218, 63%, 53%)
HSV	hsv(218, 72%, 82%)
CMYK	cmyk(71.9%, 45.2%, 0%, 17.6%)
CIE-LAB	lab(49.30, 13.73, -54.39)
CIE-LCH	lch(49.30, 56.10, 284.17°)
OKLab	oklab(56.73% -0.0267 -0.1558)
OKLCH	oklch(56.73% 0.158 260.3)
XYZ	xyz(19.5630, 17.8423, 63.3732)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73D2 #D29A3B

analogous

#3BBFD2 #3B73D2 #4E3BD2

triadic

#3B73D2 #D23B73 #73D23B

tetradic

#3B73D2 #D23BBF #D29A3B #3BD24E

square

#3B73D2 #D23BBF #D29A3B #3BD24E

split-complementary

#3B73D2 #D24E3B #BFD23B

monochromatic

#1B3D77 #2757A9 #3B73D2 #6D97DD #9FBAE9

Accessibility & contrast

On white

4.60

#3B73D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3B73D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B73D2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73D2	#FFFFFF	#000000	##FFFFFF
##3B73D2	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427DD6

Deuteranopia (green-blind)

#236FD0

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b73d2;
/* rgb */ color: rgb(59, 115, 210);
/* oklch */ color: oklch(56.7% 0.158 260.3);

Tailwind

colors: {
  custom: {
    50: '#839ae0',
    500: '#3b73d2',
    950: '#000000',
  },
}

SCSS

$custom: #3b73d2;
$custom-light: #839ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73d2",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 210
  },
  "hsl": {
    "h": 217.748,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5673,
    "c": 0.15808,
    "h": 260.3
  },
  "luminance": 0.17844
}

Semantic roles & 50–950 ramp

primary

#3B73D2

secondary

#D5BD94

accent

#A942E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B73D2

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

Preview Lab → · Contrast checker → · Palette generator →