#3F64D2#3F64D2

#3F64D2 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.8% C 0.175 H 266.5°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3F64D2
RGB	rgb(63, 100, 210)
HSL	hsl(225, 62%, 54%)
HSV	hsv(225, 70%, 82%)
CMYK	cmyk(70%, 52.4%, 0%, 17.6%)
CIE-LAB	lab(45.39, 23.77, -60.69)
CIE-LCH	lch(45.39, 65.18, 291.39°)
OKLab	oklab(53.79% -0.0107 -0.1745)
OKLCH	oklch(53.79% 0.175 266.5)
XYZ	xyz(18.2359, 14.8224, 62.8602)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F64D2 #D2AD3F

analogous

#3FADD2 #3F64D2 #633FD2

triadic

#3F64D2 #D23F64 #64D23F

tetradic

#3F64D2 #D23FAD #D2AD3F #3FD263

square

#3F64D2 #D23FAD #D2AD3F #3FD263

split-complementary

#3F64D2 #D2633F #ADD23F

monochromatic

#1D347A #2849AC #3F64D2 #718CDE #A2B4E9

Accessibility & contrast

On white

5.30

#3F64D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3F64D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F64D2

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F64D2	#FFFFFF	#000000	##FFFFFF
##3F64D2	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1972D6

Deuteranopia (green-blind)

#0065D0

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f64d2;
/* rgb */ color: rgb(63, 100, 210);
/* oklch */ color: oklch(53.8% 0.175 266.5);

Tailwind

colors: {
  custom: {
    50: '#868fe0',
    500: '#3f64d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f64d2;
$custom-light: #868fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f64d2",
  "rgb": {
    "r": 63,
    "g": 100,
    "b": 210
  },
  "hsl": {
    "h": 224.898,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53786,
    "c": 0.17485,
    "h": 266.5
  },
  "luminance": 0.14824
}

Semantic roles & 50–950 ramp

primary

#3F64D2

secondary

#D6C697

accent

#BC43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F64D2

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

Preview Lab → · Contrast checker → · Palette generator →