#3965CA#3965CA

#3965CA is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.165 H 263.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3965CA
RGB	rgb(57, 101, 202)
HSL	hsl(222, 58%, 51%)
HSV	hsv(222, 72%, 79%)
CMYK	cmyk(71.8%, 50%, 0%, 20.8%)
CIE-LAB	lab(44.86, 19.39, -56.97)
CIE-LCH	lch(44.86, 60.18, 288.79°)
OKLab	oklab(53.14% -0.0174 -0.1637)
OKLCH	oklch(53.14% 0.165 263.9)
XYZ	xyz(16.9979, 14.4397, 57.7570)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965CA #CA9E39

analogous

#39ADCA #3965CA #5539CA

triadic

#3965CA #CA3965 #65CA39

tetradic

#3965CA #CA39AD #CA9E39 #39CA55

square

#3965CA #CA39AD #CA9E39 #39CA55

split-complementary

#3965CA #CA5539 #ADCA39

monochromatic

#1D356C #2A4C9C #3965CA #698BD7 #9AB0E4

Accessibility & contrast

On white

5.40

#3965CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3965CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965CA

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965CA	#FFFFFF	#000000	##FFFFFF
##3965CA	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2971CE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3965ca;
/* rgb */ color: rgb(57, 101, 202);
/* oklch */ color: oklch(53.1% 0.165 263.9);

Tailwind

colors: {
  custom: {
    50: '#8190db',
    500: '#3965ca',
    950: '#000000',
  },
}

SCSS

$custom: #3965ca;
$custom-light: #8190db;
$custom-dark: #000000;

JSON

{
  "hex": "#3965ca",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 202
  },
  "hsl": {
    "h": 221.793,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53137,
    "c": 0.1646,
    "h": 263.9
  },
  "luminance": 0.14441
}

Semantic roles & 50–950 ramp

primary

#3965CA

secondary

#D0BC8F

accent

#B247E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3965CA

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

Preview Lab → · Contrast checker → · Palette generator →