#3C64CB#3C64CB

#3C64CB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.166 H 265.2°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3C64CB
RGB	rgb(60, 100, 203)
HSL	hsl(223, 58%, 52%)
HSV	hsv(223, 70%, 80%)
CMYK	cmyk(70.4%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(44.78, 20.81, -57.67)
CIE-LCH	lch(44.78, 61.31, 289.84°)
OKLab	oklab(53.14% -0.0139 -0.1657)
OKLCH	oklch(53.14% 0.166 265.2)
XYZ	xyz(17.1964, 14.3850, 58.3586)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C64CB #CBA33C

analogous

#3CACCB #3C64CB #5C3CCB

triadic

#3C64CB #CB3C64 #64CB3C

tetradic

#3C64CB #CB3CAC #CBA33C #3CCB5C

square

#3C64CB #CB3CAC #CBA33C #3CCB5C

split-complementary

#3C64CB #CB5C3C #ACCB3C

monochromatic

#1E346F #2A4B9F #3C64CB #6C8AD8 #9DB1E5

Accessibility & contrast

On white

5.42

#3C64CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3C64CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C64CB

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C64CB	#FFFFFF	#000000	##FFFFFF
##3C64CB	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2571CF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3c64cb;
/* rgb */ color: rgb(60, 100, 203);
/* oklch */ color: oklch(53.1% 0.166 265.2);

Tailwind

colors: {
  custom: {
    50: '#838fdb',
    500: '#3c64cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c64cb;
$custom-light: #838fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3c64cb",
  "rgb": {
    "r": 60,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 223.217,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53135,
    "c": 0.16627,
    "h": 265.2
  },
  "luminance": 0.14387
}

Semantic roles & 50–950 ramp

primary

#3C64CB

secondary

#D1BF92

accent

#B647E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3C64CB

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

Preview Lab → · Contrast checker → · Palette generator →