#3965C8#3965C8

#3965C8 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.162 H 263.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3965C8
RGB	rgb(57, 101, 200)
HSL	hsl(222, 57%, 50%)
HSV	hsv(222, 72%, 78%)
CMYK	cmyk(71.5%, 49.5%, 0%, 21.6%)
CIE-LAB	lab(44.72, 18.65, -56.04)
CIE-LCH	lch(44.72, 59.06, 288.41°)
OKLab	oklab(52.99% -0.0176 -0.1609)
OKLCH	oklch(52.99% 0.162 263.8)
XYZ	xyz(16.7627, 14.3456, 56.5179)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965C8 #C89C39

analogous

#39ADC8 #3965C8 #5439C8

triadic

#3965C8 #C83965 #65C839

tetradic

#3965C8 #C839AD #C89C39 #39C854

square

#3965C8 #C839AD #C89C39 #39C854

split-complementary

#3965C8 #C85439 #ADC839

monochromatic

#1D3569 #2B4D99 #3965C8 #698AD5 #99B0E3

Accessibility & contrast

On white

5.43

#3965C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3965C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965C8

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965C8	#FFFFFF	#000000	##FFFFFF
##3965C8	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C71CC

Deuteranopia (green-blind)

#0064C6

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3965c8;
/* rgb */ color: rgb(57, 101, 200);
/* oklch */ color: oklch(53.0% 0.162 263.8);

Tailwind

colors: {
  custom: {
    50: '#8190d9',
    500: '#3965c8',
    950: '#000000',
  },
}

SCSS

$custom: #3965c8;
$custom-light: #8190d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3965c8",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 200
  },
  "hsl": {
    "h": 221.538,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.52994,
    "c": 0.16188,
    "h": 263.8
  },
  "luminance": 0.14347
}

Semantic roles & 50–950 ramp

primary

#3965C8

secondary

#CEBB8F

accent

#B148E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3965C8

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

Preview Lab → · Contrast checker → · Palette generator →