#3F68D9#3F68D9

#3F68D9 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.1% C 0.179 H 265.7°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F68D9
RGB	rgb(63, 104, 217)
HSL	hsl(224, 67%, 55%)
HSV	hsv(224, 71%, 85%)
CMYK	cmyk(71%, 52.1%, 0%, 14.9%)
CIE-LAB	lab(46.93, 23.75, -62.19)
CIE-LCH	lch(46.93, 66.57, 290.90°)
OKLab	oklab(55.1% -0.0134 -0.1789)
OKLCH	oklch(55.1% 0.179 265.7)
XYZ	xyz(19.5202, 15.9651, 67.6850)
Luminance	0.1597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68D9 #D9B03F

analogous

#3FB5D9 #3F68D9 #633FD9

triadic

#3F68D9 #D93F68 #68D93F

tetradic

#3F68D9 #D93FB5 #D9B03F #3FD963

square

#3F68D9 #D93FB5 #D9B03F #3FD963

split-complementary

#3F68D9 #D9633F #B5D93F

monochromatic

#1A3684 #244BB7 #3F68D9 #7290E3 #A5B8ED

Accessibility & contrast

On white

5.01

#3F68D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3F68D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68D9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68D9	#FFFFFF	#000000	##FFFFFF
##3F68D9	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B77DD

Deuteranopia (green-blind)

#0069D7

Tritanopia (blue-blind)

#008396

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f68d9;
/* rgb */ color: rgb(63, 104, 217);
/* oklch */ color: oklch(55.1% 0.179 265.7);

Tailwind

colors: {
  custom: {
    50: '#8792e5',
    500: '#3f68d9',
    950: '#000000',
  },
}

SCSS

$custom: #3f68d9;
$custom-light: #8792e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68d9",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 217
  },
  "hsl": {
    "h": 224.026,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55104,
    "c": 0.17938,
    "h": 265.7
  },
  "luminance": 0.15967
}

Semantic roles & 50–950 ramp

primary

#3F68D9

secondary

#DAC99A

accent

#BC3EEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0D16

muted

#7E7D84

Preview Lab

Preview with #3F68D9

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

Preview Lab → · Contrast checker → · Palette generator →