#3B63D3#3B63D3

#3B63D3 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.5% C 0.179 H 265.8°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3B63D3
RGB	rgb(59, 99, 211)
HSL	hsl(224, 63%, 53%)
HSV	hsv(224, 72%, 83%)
CMYK	cmyk(72%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(45.02, 24.22, -61.87)
CIE-LCH	lch(45.02, 66.44, 291.38°)
OKLab	oklab(53.48% -0.0132 -0.1781)
OKLCH	oklch(53.48% 0.179 265.8)
XYZ	xyz(18.0192, 14.5547, 63.4751)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63D3 #D3AB3B

analogous

#3BAFD3 #3B63D3 #5F3BD3

triadic

#3B63D3 #D33B63 #63D33B

tetradic

#3B63D3 #D33BAF #D3AB3B #3BD35F

square

#3B63D3 #D33BAF #D3AB3B #3BD35F

split-complementary

#3B63D3 #D35F3B #AFD33B

monochromatic

#1B3479 #2649AB #3B63D3 #6D8BDE #9FB3E9

Accessibility & contrast

On white

5.37

#3B63D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3B63D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63D3

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63D3	#FFFFFF	#000000	##FFFFFF
##3B63D3	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E72D7

Deuteranopia (green-blind)

#0064D1

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3b63d3;
/* rgb */ color: rgb(59, 99, 211);
/* oklch */ color: oklch(53.5% 0.179 265.8);

Tailwind

colors: {
  custom: {
    50: '#848ee1',
    500: '#3b63d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b63d3;
$custom-light: #848ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63d3",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 224.211,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53478,
    "c": 0.17858,
    "h": 265.8
  },
  "luminance": 0.14557
}

Semantic roles & 50–950 ramp

primary

#3B63D3

secondary

#D6C494

accent

#BB41E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B63D3

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

Preview Lab → · Contrast checker → · Palette generator →