#3C64CC#3C64CC

#3C64CC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.2% C 0.168 H 265.3°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3C64CC
RGB	rgb(60, 100, 204)
HSL	hsl(223, 59%, 52%)
HSV	hsv(223, 71%, 80%)
CMYK	cmyk(70.6%, 51%, 0%, 20%)
CIE-LAB	lab(44.85, 21.17, -58.13)
CIE-LCH	lch(44.85, 61.87, 290.01°)
OKLab	oklab(53.21% -0.0138 -0.167)
OKLCH	oklch(53.21% 0.168 265.3)
XYZ	xyz(17.3159, 14.4328, 58.9883)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C64CC #CCA43C

analogous

#3CACCC #3C64CC #5C3CCC

triadic

#3C64CC #CC3C64 #64CC3C

tetradic

#3C64CC #CC3CAC #CCA43C #3CCC5C

square

#3C64CC #CC3CAC #CCA43C #3CCC5C

split-complementary

#3C64CC #CC5C3C #ACCC3C

monochromatic

#1D3470 #2A4BA1 #3C64CC #6D8BD9 #9DB1E5

Accessibility & contrast

On white

5.40

#3C64CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3C64CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C64CC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C64CC	#FFFFFF	#000000	##FFFFFF
##3C64CC	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)

#2471D0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3c64cc;
/* rgb */ color: rgb(60, 100, 204);
/* oklch */ color: oklch(53.2% 0.168 265.3);

Tailwind

colors: {
  custom: {
    50: '#838fdc',
    500: '#3c64cc',
    950: '#000000',
  },
}

SCSS

$custom: #3c64cc;
$custom-light: #838fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c64cc",
  "rgb": {
    "r": 60,
    "g": 100,
    "b": 204
  },
  "hsl": {
    "h": 223.333,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.53208,
    "c": 0.16762,
    "h": 265.3
  },
  "luminance": 0.14435
}

Semantic roles & 50–950 ramp

primary

#3C64CC

secondary

#D1C092

accent

#B646E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3C64CC

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

Preview Lab → · Contrast checker → · Palette generator →