#3B63BE#3B63BE

#3B63BE is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.150 H 264.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B63BE
RGB	rgb(59, 99, 190)
HSL	hsl(222, 53%, 49%)
HSV	hsv(222, 69%, 75%)
CMYK	cmyk(68.9%, 47.9%, 0%, 25.5%)
CIE-LAB	lab(43.61, 16.57, -52.04)
CIE-LCH	lch(43.61, 54.62, 287.66°)
OKLab	oklab(51.96% -0.0155 -0.1492)
OKLCH	oklch(51.96% 0.15 264.1)
XYZ	xyz(15.5565, 13.5696, 50.5046)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63BE #BE963B

analogous

#3BA5BE #3B63BE #553BBE

triadic

#3B63BE #BE3B63 #63BE3B

tetradic

#3B63BE #BE3BA5 #BE963B #3BBE55

square

#3B63BE #BE3BA5 #BE963B #3BBE55

split-complementary

#3B63BE #BE553B #A5BE3B

monochromatic

#1E3261 #2C4B8F #3B63BE #6787D0 #95ACDE

Accessibility & contrast

On white

5.65

#3B63BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3B63BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63BE

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63BE	#FFFFFF	#000000	##FFFFFF
##3B63BE	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DC1

Deuteranopia (green-blind)

#1261BC

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3b63be;
/* rgb */ color: rgb(59, 99, 190);
/* oklch */ color: oklch(52.0% 0.150 264.1);

Tailwind

colors: {
  custom: {
    50: '#808ed2',
    500: '#3b63be',
    950: '#000000',
  },
}

SCSS

$custom: #3b63be;
$custom-light: #808ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63be",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 221.679,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51957,
    "c": 0.14998,
    "h": 264.1
  },
  "luminance": 0.13571
}

Semantic roles & 50–950 ramp

primary

#3B63BE

secondary

#CAB78B

accent

#B04CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3B63BE

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

Preview Lab → · Contrast checker → · Palette generator →