#3B63CA#3B63CA

#3B63CA is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.8% C 0.166 H 265.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3B63CA
RGB	rgb(59, 99, 202)
HSL	hsl(223, 57%, 51%)
HSV	hsv(223, 71%, 79%)
CMYK	cmyk(70.8%, 51%, 0%, 20.8%)
CIE-LAB	lab(44.40, 20.94, -57.71)
CIE-LCH	lch(44.40, 61.39, 289.95°)
OKLab	oklab(52.81% -0.014 -0.1658)
OKLCH	oklch(52.81% 0.166 265.2)
XYZ	xyz(16.9224, 14.1160, 57.6985)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63CA #CAA23B

analogous

#3BAACA #3B63CA #5A3BCA

triadic

#3B63CA #CA3B63 #63CA3B

tetradic

#3B63CA #CA3BAA #CAA23B #3BCA5A

square

#3B63CA #CA3BAA #CAA23B #3BCA5A

split-complementary

#3B63CA #CA5A3B #AACA3B

monochromatic

#1E346D #2B4B9D #3B63CA #6B89D7 #9BB0E4

Accessibility & contrast

On white

5.49

#3B63CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3B63CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63CA

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63CA	#FFFFFF	#000000	##FFFFFF
##3B63CA	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2370CE

Deuteranopia (green-blind)

#0063C8

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3b63ca;
/* rgb */ color: rgb(59, 99, 202);
/* oklch */ color: oklch(52.8% 0.166 265.2);

Tailwind

colors: {
  custom: {
    50: '#828edb',
    500: '#3b63ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b63ca;
$custom-light: #828edb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63ca",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 202
  },
  "hsl": {
    "h": 223.217,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52812,
    "c": 0.16643,
    "h": 265.2
  },
  "luminance": 0.14118
}

Semantic roles & 50–950 ramp

primary

#3B63CA

secondary

#D0BE91

accent

#B647E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B63CA

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

Preview Lab → · Contrast checker → · Palette generator →