#3F4CCD#3F4CCD

#3F4CCD is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.9% C 0.197 H 272.3°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F4CCD
RGB	rgb(63, 76, 205)
HSL	hsl(235, 59%, 53%)
HSV	hsv(235, 69%, 80%)
CMYK	cmyk(69.3%, 62.9%, 0%, 19.6%)
CIE-LAB	lab(38.95, 37.18, -68.28)
CIE-LCH	lch(38.95, 77.75, 298.57°)
OKLab	oklab(48.86% 0.0079 -0.1971)
OKLCH	oklch(48.86% 0.197 272.3)
XYZ	xyz(15.6501, 10.6319, 58.9732)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4CCD #CDC03F

analogous

#3F93CD #3F4CCD #793FCD

triadic

#3F4CCD #CD3F4C #4CCD3F

tetradic

#3F4CCD #CD3F93 #CDC03F #3FCD79

square

#3F4CCD #CD3F93 #CDC03F #3FCD79

split-complementary

#3F4CCD #CD793F #93CD3F

monochromatic

#1E2674 #2B36A4 #3F4CCD #7079DA #A0A7E6

Accessibility & contrast

On white

6.72

#3F4CCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3F4CCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4CCD

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4CCD	#FFFFFF	#000000	##FFFFFF
##3F4CCD	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D1

Deuteranopia (green-blind)

#0055CB

Tritanopia (blue-blind)

#006D85

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3f4ccd;
/* rgb */ color: rgb(63, 76, 205);
/* oklch */ color: oklch(48.9% 0.197 272.3);

Tailwind

colors: {
  custom: {
    50: '#867edd',
    500: '#3f4ccd',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ccd;
$custom-light: #867edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ccd",
  "rgb": {
    "r": 63,
    "g": 76,
    "b": 205
  },
  "hsl": {
    "h": 234.507,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48864,
    "c": 0.19727,
    "h": 272.3
  },
  "luminance": 0.10633
}

Semantic roles & 50–950 ramp

primary

#3F4CCD

secondary

#D3CD95

accent

#D446E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3F4CCD

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

Preview Lab → · Contrast checker → · Palette generator →