#3E63CB#3E63CB

#3E63CB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.167 H 266.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3E63CB
RGB	rgb(62, 99, 203)
HSL	hsl(224, 58%, 52%)
HSV	hsv(224, 69%, 80%)
CMYK	cmyk(69.5%, 51.2%, 0%, 20.4%)
CIE-LAB	lab(44.60, 21.74, -57.95)
CIE-LCH	lch(44.60, 61.89, 290.56°)
OKLab	oklab(53.02% -0.0114 -0.1665)
OKLCH	oklch(53.02% 0.167 266.1)
XYZ	xyz(17.2242, 14.2579, 58.3326)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E63CB #CBA63E

analogous

#3EAACB #3E63CB #5F3ECB

triadic

#3E63CB #CB3E63 #63CB3E

tetradic

#3E63CB #CB3EAA #CBA63E #3ECB5F

square

#3E63CB #CB3EAA #CBA63E #3ECB5F

split-complementary

#3E63CB #CB5F3E #AACB3E

monochromatic

#1E3470 #2B4AA1 #3E63CB #6E8AD8 #9EB1E5

Accessibility & contrast

On white

5.45

#3E63CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3E63CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E63CB

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E63CB	#FFFFFF	#000000	##FFFFFF
##3E63CB	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)

#2270CF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3e63cb;
/* rgb */ color: rgb(62, 99, 203);
/* oklch */ color: oklch(53.0% 0.167 266.1);

Tailwind

colors: {
  custom: {
    50: '#848edb',
    500: '#3e63cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e63cb;
$custom-light: #848edb;
$custom-dark: #000000;

JSON

{
  "hex": "#3e63cb",
  "rgb": {
    "r": 62,
    "g": 99,
    "b": 203
  },
  "hsl": {
    "h": 224.255,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.53023,
    "c": 0.16689,
    "h": 266.1
  },
  "luminance": 0.1426
}

Semantic roles & 50–950 ramp

primary

#3E63CB

secondary

#D1C194

accent

#B847E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3E63CB

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

Preview Lab → · Contrast checker → · Palette generator →