#3B64CC#3B64CC

#3B64CC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.2% C 0.168 H 265.0°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3B64CC
RGB	rgb(59, 100, 204)
HSL	hsl(223, 59%, 52%)
HSV	hsv(223, 71%, 80%)
CMYK	cmyk(71.1%, 51%, 0%, 20%)
CIE-LAB	lab(44.80, 21.03, -58.20)
CIE-LCH	lch(44.80, 61.89, 289.87°)
OKLab	oklab(53.16% -0.0147 -0.1673)
OKLCH	oklch(53.16% 0.168 265)
XYZ	xyz(17.2561, 14.4020, 58.9855)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B64CC #CCA33B

analogous

#3BADCC #3B64CC #5B3BCC

triadic

#3B64CC #CC3B64 #64CC3B

tetradic

#3B64CC #CC3BAD #CCA33B #3BCC5B

square

#3B64CC #CC3BAD #CCA33B #3BCC5B

split-complementary

#3B64CC #CC5B3B #ADCC3B

monochromatic

#1D3470 #2A4BA0 #3B64CC #6C8AD9 #9CB1E5

Accessibility & contrast

On white

5.41

#3B64CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3B64CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B64CC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B64CC	#FFFFFF	#000000	##FFFFFF
##3B64CC	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2371D0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3b64cc;
/* rgb */ color: rgb(59, 100, 204);
/* oklch */ color: oklch(53.2% 0.168 265.0);

Tailwind

colors: {
  custom: {
    50: '#838fdc',
    500: '#3b64cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b64cc;
$custom-light: #838fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b64cc",
  "rgb": {
    "r": 59,
    "g": 100,
    "b": 204
  },
  "hsl": {
    "h": 223.034,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53163,
    "c": 0.16792,
    "h": 265
  },
  "luminance": 0.14404
}

Semantic roles & 50–950 ramp

primary

#3B64CC

secondary

#D1BF92

accent

#B646E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B64CC

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

Preview Lab → · Contrast checker → · Palette generator →