#3E64CB#3E64CB

#3E64CB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.2% C 0.166 H 265.8°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3E64CB
RGB	rgb(62, 100, 203)
HSL	hsl(224, 58%, 52%)
HSV	hsv(224, 69%, 80%)
CMYK	cmyk(69.5%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(44.87, 21.10, -57.52)
CIE-LCH	lch(44.87, 61.27, 290.14°)
OKLab	oklab(53.23% -0.0122 -0.1652)
OKLCH	oklch(53.23% 0.166 265.8)
XYZ	xyz(17.3195, 14.4485, 58.3644)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E64CB #CBA53E

analogous

#3EAACB #3E64CB #5F3ECB

triadic

#3E64CB #CB3E64 #64CB3E

tetradic

#3E64CB #CB3EAA #CBA53E #3ECB5F

square

#3E64CB #CB3EAA #CBA53E #3ECB5F

split-complementary

#3E64CB #CB5F3E #AACB3E

monochromatic

#1E3470 #2B4BA1 #3E64CB #6E8BD8 #9EB1E5

Accessibility & contrast

On white

5.40

#3E64CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3E64CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E64CB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E64CB	#FFFFFF	#000000	##FFFFFF
##3E64CB	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2671CF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3e64cb;
/* rgb */ color: rgb(62, 100, 203);
/* oklch */ color: oklch(53.2% 0.166 265.8);

Tailwind

colors: {
  custom: {
    50: '#848fdb',
    500: '#3e64cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e64cb;
$custom-light: #848fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3e64cb",
  "rgb": {
    "r": 62,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 223.83,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.53227,
    "c": 0.16565,
    "h": 265.8
  },
  "luminance": 0.1445
}

Semantic roles & 50–950 ramp

primary

#3E64CB

secondary

#D1C194

accent

#B747E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3E64CB

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

Preview Lab → · Contrast checker → · Palette generator →