#3965C4#3965C4

#3965C4 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.156 H 263.3°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3965C4
RGB	rgb(57, 101, 196)
HSL	hsl(221, 55%, 50%)
HSV	hsv(221, 71%, 77%)
CMYK	cmyk(70.9%, 48.5%, 0%, 23.1%)
CIE-LAB	lab(44.46, 17.18, -54.15)
CIE-LCH	lch(44.46, 56.81, 287.61°)
OKLab	oklab(52.71% -0.0181 -0.1554)
OKLCH	oklch(52.71% 0.156 263.3)
XYZ	xyz(16.3013, 14.1610, 54.0881)
Luminance	0.1416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965C4 #C49839

analogous

#39ABC4 #3965C4 #5239C4

triadic

#3965C4 #C43965 #65C439

tetradic

#3965C4 #C439AB #C49839 #39C452

square

#3965C4 #C439AB #C49839 #39C452

split-complementary

#3965C4 #C45239 #ABC439

monochromatic

#1D3465 #2B4D95 #3965C4 #6789D3 #97AEE1

Accessibility & contrast

On white

5.48

#3965C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3965C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965C4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965C4	#FFFFFF	#000000	##FFFFFF
##3965C4	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3070C7

Deuteranopia (green-blind)

#0463C2

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3965c4;
/* rgb */ color: rgb(57, 101, 196);
/* oklch */ color: oklch(52.7% 0.156 263.3);

Tailwind

colors: {
  custom: {
    50: '#8090d6',
    500: '#3965c4',
    950: '#000000',
  },
}

SCSS

$custom: #3965c4;
$custom-light: #8090d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3965c4",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 196
  },
  "hsl": {
    "h": 221.007,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5271,
    "c": 0.15643,
    "h": 263.3
  },
  "luminance": 0.14163
}

Semantic roles & 50–950 ramp

primary

#3965C4

secondary

#CCB88D

accent

#AF4ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3965C4

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

Preview Lab → · Contrast checker → · Palette generator →