#3B73D5#3B73D5

#3B73D5 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.162 H 260.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3B73D5
RGB	rgb(59, 115, 213)
HSL	hsl(218, 65%, 53%)
HSV	hsv(218, 72%, 84%)
CMYK	cmyk(72.3%, 46%, 0%, 16.5%)
CIE-LAB	lab(49.49, 14.82, -55.80)
CIE-LCH	lch(49.49, 57.74, 284.88°)
OKLab	oklab(56.93% -0.0262 -0.16)
OKLCH	oklch(56.93% 0.162 260.7)
XYZ	xyz(19.9403, 17.9932, 65.3600)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73D5 #D59D3B

analogous

#3BC0D5 #3B73D5 #503BD5

triadic

#3B73D5 #D53B73 #73D53B

tetradic

#3B73D5 #D53BC0 #D59D3B #3BD550

square

#3B73D5 #D53BC0 #D59D3B #3BD550

split-complementary

#3B73D5 #D5503B #C0D53B

monochromatic

#1A3E7B #2557AE #3B73D5 #6D97E0 #A0BBEB

Accessibility & contrast

On white

4.57

#3B73D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3B73D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B73D5

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73D5	#FFFFFF	#000000	##000000
##3B73D5	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407DD9

Deuteranopia (green-blind)

#1C6FD3

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b73d5;
/* rgb */ color: rgb(59, 115, 213);
/* oklch */ color: oklch(56.9% 0.162 260.7);

Tailwind

colors: {
  custom: {
    50: '#849ae2',
    500: '#3b73d5',
    950: '#000000',
  },
}

SCSS

$custom: #3b73d5;
$custom-light: #849ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73d5",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 213
  },
  "hsl": {
    "h": 218.182,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56931,
    "c": 0.16209,
    "h": 260.7
  },
  "luminance": 0.17995
}

Semantic roles & 50–950 ramp

primary

#3B73D5

secondary

#D7BF95

accent

#AB40E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B73D5

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

Preview Lab → · Contrast checker → · Palette generator →