#3B64BF#3B64BF

#3B64BF is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.150 H 263.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3B64BF
RGB	rgb(59, 100, 191)
HSL	hsl(221, 53%, 49%)
HSV	hsv(221, 69%, 75%)
CMYK	cmyk(69.1%, 47.6%, 0%, 25.1%)
CIE-LAB	lab(43.95, 16.29, -52.07)
CIE-LCH	lch(43.95, 54.56, 287.37°)
OKLab	oklab(52.24% -0.0163 -0.1492)
OKLCH	oklch(52.24% 0.15 263.8)
XYZ	xyz(15.7615, 13.8041, 51.1139)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B64BF #BF963B

analogous

#3BA6BF #3B64BF #543BBF

triadic

#3B64BF #BF3B64 #64BF3B

tetradic

#3B64BF #BF3BA6 #BF963B #3BBF54

square

#3B64BF #BF3BA6 #BF963B #3BBF54

split-complementary

#3B64BF #BF543B #A6BF3B

monochromatic

#1E3361 #2D4C90 #3B64BF #6788D0 #96ACDF

Accessibility & contrast

On white

5.58

#3B64BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3B64BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B64BF

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B64BF	#FFFFFF	#000000	##FFFFFF
##3B64BF	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346EC2

Deuteranopia (green-blind)

#1462BD

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3b64bf;
/* rgb */ color: rgb(59, 100, 191);
/* oklch */ color: oklch(52.2% 0.150 263.8);

Tailwind

colors: {
  custom: {
    50: '#808fd3',
    500: '#3b64bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b64bf;
$custom-light: #808fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b64bf",
  "rgb": {
    "r": 59,
    "g": 100,
    "b": 191
  },
  "hsl": {
    "h": 221.364,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52239,
    "c": 0.15013,
    "h": 263.8
  },
  "luminance": 0.13806
}

Semantic roles & 50–950 ramp

primary

#3B64BF

secondary

#CAB78C

accent

#AF4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3B64BF

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

Preview Lab → · Contrast checker → · Palette generator →