#3B72DE#3B72DE

#3B72DE is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.175 H 262.1°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B72DE
RGB	rgb(59, 114, 222)
HSL	hsl(220, 71%, 55%)
HSV	hsv(220, 73%, 87%)
CMYK	cmyk(73.4%, 48.6%, 0%, 12.9%)
CIE-LAB	lab(49.78, 18.74, -60.43)
CIE-LCH	lch(49.78, 63.27, 287.23°)
OKLab	oklab(57.34% -0.024 -0.1736)
OKLCH	oklch(57.34% 0.175 262.1)
XYZ	xyz(21.0010, 18.2360, 71.5062)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B72DE #DEA73B

analogous

#3BC3DE #3B72DE #563BDE

triadic

#3B72DE #DE3B72 #72DE3B

tetradic

#3B72DE #DE3BC3 #DEA73B #3BDE56

square

#3B72DE #DE3BC3 #DEA73B #3BDE56

split-complementary

#3B72DE #DE563B #C3DE3B

monochromatic

#173D88 #2054BC #3B72DE #6F98E7 #A4BDF0

Accessibility & contrast

On white

4.52

#3B72DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3B72DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B72DE

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B72DE	#FFFFFF	#000000	##000000
##3B72DE	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347EE2

Deuteranopia (green-blind)

#006FDC

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b72de;
/* rgb */ color: rgb(59, 114, 222);
/* oklch */ color: oklch(57.3% 0.175 262.1);

Tailwind

colors: {
  custom: {
    50: '#8699e9',
    500: '#3b72de',
    950: '#000000',
  },
}

SCSS

$custom: #3b72de;
$custom-light: #8699e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b72de",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 222
  },
  "hsl": {
    "h": 219.755,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57338,
    "c": 0.17525,
    "h": 262.1
  },
  "luminance": 0.18238
}

Semantic roles & 50–950 ramp

primary

#3B72DE

secondary

#DDC698

accent

#B13AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3B72DE

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

Preview Lab → · Contrast checker → · Palette generator →