#3963C2#3963C2

#3963C2 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.156 H 263.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3963C2
RGB	rgb(57, 99, 194)
HSL	hsl(222, 55%, 49%)
HSV	hsv(222, 71%, 76%)
CMYK	cmyk(70.6%, 49%, 0%, 23.9%)
CIE-LAB	lab(43.78, 17.73, -54.09)
CIE-LCH	lch(43.78, 56.92, 288.15°)
OKLab	oklab(52.15% -0.0167 -0.1552)
OKLCH	oklch(52.15% 0.156 263.9)
XYZ	xyz(15.8833, 13.6869, 52.8332)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3963C2 #C29839

analogous

#39A8C2 #3963C2 #5439C2

triadic

#3963C2 #C23963 #63C239

tetradic

#3963C2 #C239A8 #C29839 #39C254

square

#3963C2 #C239A8 #C29839 #39C254

split-complementary

#3963C2 #C25439 #A8C239

monochromatic

#1D3363 #2B4B93 #3963C2 #6687D2 #95ACE0

Accessibility & contrast

On white

5.62

#3963C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3963C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3963C2

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3963C2	#FFFFFF	#000000	##FFFFFF
##3963C2	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6EC5

Deuteranopia (green-blind)

#0062C0

Tritanopia (blue-blind)

#007989

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3963c2;
/* rgb */ color: rgb(57, 99, 194);
/* oklch */ color: oklch(52.1% 0.156 263.9);

Tailwind

colors: {
  custom: {
    50: '#808ed5',
    500: '#3963c2',
    950: '#000000',
  },
}

SCSS

$custom: #3963c2;
$custom-light: #808ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#3963c2",
  "rgb": {
    "r": 57,
    "g": 99,
    "b": 194
  },
  "hsl": {
    "h": 221.606,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.52147,
    "c": 0.15612,
    "h": 263.9
  },
  "luminance": 0.13689
}

Semantic roles & 50–950 ramp

primary

#3963C2

secondary

#CBB88B

accent

#B14ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3963C2

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

Preview Lab → · Contrast checker → · Palette generator →