#3963C3#3963C3

#3963C3 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.2% C 0.157 H 264.0°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3963C3
RGB	rgb(57, 99, 195)
HSL	hsl(222, 55%, 49%)
HSV	hsv(222, 71%, 76%)
CMYK	cmyk(70.8%, 49.2%, 0%, 23.5%)
CIE-LAB	lab(43.85, 18.10, -54.56)
CIE-LCH	lch(43.85, 57.49, 288.35°)
OKLab	oklab(52.22% -0.0165 -0.1566)
OKLCH	oklch(52.22% 0.157 264)
XYZ	xyz(15.9960, 13.7320, 53.4267)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3963C3 #C39939

analogous

#39A8C3 #3963C3 #5439C3

triadic

#3963C3 #C33963 #63C339

tetradic

#3963C3 #C339A8 #C39939 #39C354

square

#3963C3 #C339A8 #C39939 #39C354

split-complementary

#3963C3 #C35439 #A8C339

monochromatic

#1D3364 #2B4B94 #3963C3 #6788D2 #96ADE0

Accessibility & contrast

On white

5.60

#3963C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3963C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3963C3

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3963C3	#FFFFFF	#000000	##FFFFFF
##3963C3	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6EC7

Deuteranopia (green-blind)

#0062C1

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3963c3;
/* rgb */ color: rgb(57, 99, 195);
/* oklch */ color: oklch(52.2% 0.157 264.0);

Tailwind

colors: {
  custom: {
    50: '#808ed6',
    500: '#3963c3',
    950: '#000000',
  },
}

SCSS

$custom: #3963c3;
$custom-light: #808ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3963c3",
  "rgb": {
    "r": 57,
    "g": 99,
    "b": 195
  },
  "hsl": {
    "h": 221.739,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52218,
    "c": 0.15749,
    "h": 264
  },
  "luminance": 0.13734
}

Semantic roles & 50–950 ramp

primary

#3963C3

secondary

#CCB88C

accent

#B14ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3963C3

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

Preview Lab → · Contrast checker → · Palette generator →