#3B72D3#3B72D3

#3B72D3 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.6% C 0.161 H 260.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B72D3
RGB	rgb(59, 114, 211)
HSL	hsl(218, 63%, 53%)
HSV	hsv(218, 72%, 83%)
CMYK	cmyk(72%, 46%, 0%, 17.3%)
CIE-LAB	lab(49.09, 14.72, -55.31)
CIE-LCH	lch(49.09, 57.23, 284.90°)
OKLab	oklab(56.58% -0.0257 -0.1585)
OKLCH	oklch(56.58% 0.161 260.8)
XYZ	xyz(19.5746, 17.6655, 63.9935)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B72D3 #D39C3B

analogous

#3BBED3 #3B72D3 #503BD3

triadic

#3B72D3 #D33B72 #72D33B

tetradic

#3B72D3 #D33BBE #D39C3B #3BD350

square

#3B72D3 #D33BBE #D39C3B #3BD350

split-complementary

#3B72D3 #D3503B #BED33B

monochromatic

#1B3D79 #2656AB #3B72D3 #6D96DE #9FBAE9

Accessibility & contrast

On white

4.63

#3B72D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3B72D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B72D3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B72D3	#FFFFFF	#000000	##FFFFFF
##3B72D3	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7CD7

Deuteranopia (green-blind)

#1D6ED1

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b72d3;
/* rgb */ color: rgb(59, 114, 211);
/* oklch */ color: oklch(56.6% 0.161 260.8);

Tailwind

colors: {
  custom: {
    50: '#8499e1',
    500: '#3b72d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b72d3;
$custom-light: #8499e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b72d3",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 211
  },
  "hsl": {
    "h": 218.289,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56583,
    "c": 0.16058,
    "h": 260.8
  },
  "luminance": 0.17668
}

Semantic roles & 50–950 ramp

primary

#3B72D3

secondary

#D6BE94

accent

#AB41E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B72D3

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

Preview Lab → · Contrast checker → · Palette generator →