#3F64DC#3F64DC

#3F64DC is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.5% C 0.188 H 267.0°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F64DC
RGB	rgb(63, 100, 220)
HSL	hsl(226, 69%, 55%)
HSV	hsv(226, 71%, 86%)
CMYK	cmyk(71.4%, 54.5%, 0%, 13.7%)
CIE-LAB	lab(46.09, 27.36, -65.25)
CIE-LCH	lch(46.09, 70.76, 292.75°)
OKLab	oklab(54.54% -0.0099 -0.1879)
OKLCH	oklch(54.54% 0.188 267)
XYZ	xyz(19.5208, 15.3364, 69.6277)
Luminance	0.1534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F64DC #DCB73F

analogous

#3FB2DC #3F64DC #683FDC

triadic

#3F64DC #DC3F64 #64DC3F

tetradic

#3F64DC #DC3FB2 #DCB73F #3FDC68

square

#3F64DC #DC3FB2 #DCB73F #3FDC68

split-complementary

#3F64DC #DC683F #B2DC3F

monochromatic

#193388 #2246BC #3F64DC #738EE5 #A7B8EF

Accessibility & contrast

On white

5.16

#3F64DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3F64DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F64DC

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F64DC	#FFFFFF	#000000	##FFFFFF
##3F64DC	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E0

Deuteranopia (green-blind)

#0066DA

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f64dc;
/* rgb */ color: rgb(63, 100, 220);
/* oklch */ color: oklch(54.5% 0.188 267.0);

Tailwind

colors: {
  custom: {
    50: '#888fe8',
    500: '#3f64dc',
    950: '#000000',
  },
}

SCSS

$custom: #3f64dc;
$custom-light: #888fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f64dc",
  "rgb": {
    "r": 63,
    "g": 100,
    "b": 220
  },
  "hsl": {
    "h": 225.86,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.54538,
    "c": 0.1882,
    "h": 267
  },
  "luminance": 0.15338
}

Semantic roles & 50–950 ramp

primary

#3F64DC

secondary

#DCCD9B

accent

#C23CEC

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3F64DC

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

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