#3965D4#3965D4

#3965D4 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.9% C 0.178 H 264.7°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3965D4
RGB	rgb(57, 101, 212)
HSL	hsl(223, 64%, 53%)
HSV	hsv(223, 73%, 83%)
CMYK	cmyk(73.1%, 52.4%, 0%, 16.9%)
CIE-LAB	lab(45.54, 23.06, -61.61)
CIE-LCH	lch(45.54, 65.78, 290.52°)
OKLab	oklab(53.87% -0.0163 -0.1773)
OKLCH	oklch(53.87% 0.178 264.7)
XYZ	xyz(18.2205, 14.9287, 64.1959)
Luminance	0.1493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965D4 #D4A839

analogous

#39B2D4 #3965D4 #5B39D4

triadic

#3965D4 #D43965 #65D439

tetradic

#3965D4 #D439B2 #D4A839 #39D45B

square

#3965D4 #D439B2 #D4A839 #39D45B

split-complementary

#3965D4 #D45B39 #B2D439

monochromatic

#1A3578 #254BAB #3965D4 #6B8CDF #9EB3EA

Accessibility & contrast

On white

5.27

#3965D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#3965D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965D4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965D4	#FFFFFF	#000000	##FFFFFF
##3965D4	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1773D8

Deuteranopia (green-blind)

#0065D2

Tritanopia (blue-blind)

#008093

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3965d4;
/* rgb */ color: rgb(57, 101, 212);
/* oklch */ color: oklch(53.9% 0.178 264.7);

Tailwind

colors: {
  custom: {
    50: '#8490e2',
    500: '#3965d4',
    950: '#000000',
  },
}

SCSS

$custom: #3965d4;
$custom-light: #8490e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3965d4",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 212
  },
  "hsl": {
    "h": 222.968,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5387,
    "c": 0.17807,
    "h": 264.7
  },
  "luminance": 0.14931
}

Semantic roles & 50–950 ramp

primary

#3965D4

secondary

#D6C393

accent

#B840E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3965D4

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

Preview Lab → · Contrast checker → · Palette generator →