#3B72D1#3B72D1

#3B72D1 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.158 H 260.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B72D1
RGB	rgb(59, 114, 209)
HSL	hsl(218, 62%, 53%)
HSV	hsv(218, 72%, 82%)
CMYK	cmyk(71.8%, 45.5%, 0%, 18%)
CIE-LAB	lab(48.97, 13.99, -54.37)
CIE-LCH	lch(48.97, 56.14, 284.43°)
OKLab	oklab(56.45% -0.026 -0.1557)
OKLCH	oklch(56.45% 0.158 260.5)
XYZ	xyz(19.3254, 17.5658, 62.6813)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B72D1 #D19A3B

analogous

#3BBDD1 #3B72D1 #4F3BD1

triadic

#3B72D1 #D13B72 #72D13B

tetradic

#3B72D1 #D13BBD #D19A3B #3BD14F

square

#3B72D1 #D13BBD #D19A3B #3BD14F

split-complementary

#3B72D1 #D14F3B #BDD13B

monochromatic

#1C3D76 #2756A7 #3B72D1 #6D96DD #9EB9E8

Accessibility & contrast

On white

4.65

#3B72D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3B72D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B72D1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B72D1	#FFFFFF	#000000	##FFFFFF
##3B72D1	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417CD5

Deuteranopia (green-blind)

#216ECF

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3b72d1;
/* rgb */ color: rgb(59, 114, 209);
/* oklch */ color: oklch(56.4% 0.158 260.5);

Tailwind

colors: {
  custom: {
    50: '#8399e0',
    500: '#3b72d1',
    950: '#000000',
  },
}

SCSS

$custom: #3b72d1;
$custom-light: #8399e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b72d1",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 209
  },
  "hsl": {
    "h": 218,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56449,
    "c": 0.15791,
    "h": 260.5
  },
  "luminance": 0.17568
}

Semantic roles & 50–950 ramp

primary

#3B72D1

secondary

#D4BD93

accent

#AA43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B72D1

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

Preview Lab → · Contrast checker → · Palette generator →