#3B63CD#3B63CD

#3B63CD is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.171 H 265.4°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3B63CD
RGB	rgb(59, 99, 205)
HSL	hsl(224, 59%, 52%)
HSV	hsv(224, 71%, 80%)
CMYK	cmyk(71.2%, 51.7%, 0%, 19.6%)
CIE-LAB	lab(44.60, 22.04, -59.10)
CIE-LCH	lch(44.60, 63.08, 290.45°)
OKLab	oklab(53.03% -0.0137 -0.1699)
OKLCH	oklch(53.03% 0.171 265.4)
XYZ	xyz(17.2811, 14.2595, 59.5874)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63CD #CDA53B

analogous

#3BACCD #3B63CD #5C3BCD

triadic

#3B63CD #CD3B63 #63CD3B

tetradic

#3B63CD #CD3BAC #CDA53B #3BCD5C

square

#3B63CD #CD3BAC #CDA53B #3BCD5C

split-complementary

#3B63CD #CD5C3B #ACCD3B

monochromatic

#1D3471 #294AA2 #3B63CD #6C8AD9 #9DB1E6

Accessibility & contrast

On white

5.45

#3B63CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3B63CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63CD

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63CD	#FFFFFF	#000000	##FFFFFF
##3B63CD	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E71D1

Deuteranopia (green-blind)

#0063CB

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3b63cd;
/* rgb */ color: rgb(59, 99, 205);
/* oklch */ color: oklch(53.0% 0.171 265.4);

Tailwind

colors: {
  custom: {
    50: '#838edd',
    500: '#3b63cd',
    950: '#000000',
  },
}

SCSS

$custom: #3b63cd;
$custom-light: #838edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63cd",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 205
  },
  "hsl": {
    "h": 223.562,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.53032,
    "c": 0.1705,
    "h": 265.4
  },
  "luminance": 0.14261
}

Semantic roles & 50–950 ramp

primary

#3B63CD

secondary

#D2C092

accent

#B745E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B63CD

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

Preview Lab → · Contrast checker → · Palette generator →