#3965D0#3965D0

#3965D0 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.173 H 264.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3965D0
RGB	rgb(57, 101, 208)
HSL	hsl(223, 62%, 52%)
HSV	hsv(223, 73%, 82%)
CMYK	cmyk(72.6%, 51.4%, 0%, 18.4%)
CIE-LAB	lab(45.26, 21.59, -59.76)
CIE-LCH	lch(45.26, 63.54, 289.86°)
OKLab	oklab(53.57% -0.0167 -0.1719)
OKLCH	oklch(53.57% 0.173 264.5)
XYZ	xyz(17.7222, 14.7294, 61.5713)
Luminance	0.1473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965D0 #D0A439

analogous

#39B0D0 #3965D0 #5939D0

triadic

#3965D0 #D03965 #65D039

tetradic

#3965D0 #D039B0 #D0A439 #39D059

square

#3965D0 #D039B0 #D0A439 #39D059

split-complementary

#3965D0 #D05939 #B0D039

monochromatic

#1B3573 #274CA5 #3965D0 #6A8BDC #9CB2E7

Accessibility & contrast

On white

5.32

#3965D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#3965D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965D0

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965D0	#FFFFFF	#000000	##FFFFFF
##3965D0	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F72D4

Deuteranopia (green-blind)

#0065CE

Tritanopia (blue-blind)

#007F91

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3965d0;
/* rgb */ color: rgb(57, 101, 208);
/* oklch */ color: oklch(53.6% 0.173 264.5);

Tailwind

colors: {
  custom: {
    50: '#8390df',
    500: '#3965d0',
    950: '#000000',
  },
}

SCSS

$custom: #3965d0;
$custom-light: #8390df;
$custom-dark: #000000;

JSON

{
  "hex": "#3965d0",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 208
  },
  "hsl": {
    "h": 222.517,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.53574,
    "c": 0.1727,
    "h": 264.5
  },
  "luminance": 0.14731
}

Semantic roles & 50–950 ramp

primary

#3965D0

secondary

#D3C091

accent

#B643E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3965D0

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

Preview Lab → · Contrast checker → · Palette generator →