#3F3EC2#3F3EC2

#3F3EC2 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.5% C 0.199 H 275.4°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EC2
RGB	rgb(63, 62, 194)
HSL	hsl(240, 52%, 50%)
HSV	hsv(240, 68%, 76%)
CMYK	cmyk(67.5%, 68%, 0%, 23.9%)
CIE-LAB	lab(34.79, 41.98, -68.69)
CIE-LCH	lch(34.79, 80.50, 301.43°)
OKLab	oklab(45.54% 0.0187 -0.1984)
OKLCH	oklch(45.54% 0.199 275.4)
XYZ	xyz(13.5069, 8.3958, 51.9372)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.83

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3EC2 #C1C23E

analogous

#3E7FC2 #3F3EC2 #813EC2

triadic

#3F3EC2 #C23F3E #3EC23F

tetradic

#3F3EC2 #C23E7F #C1C23E #3EC281

square

#3F3EC2 #C23E7F #C1C23E #3EC281

split-complementary

#3F3EC2 #C2813E #7FC23E

monochromatic

#212066 #302F94 #3F3EC2 #6D6DD1 #9C9BDF

Accessibility & contrast

On white

7.84

#3F3EC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F3EC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EC2

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EC2	#FFFFFF	#000000	##FFFFFF
##3F3EC2	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C6

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f3ec2;
/* rgb */ color: rgb(63, 62, 194);
/* oklch */ color: oklch(45.5% 0.199 275.4);

Tailwind

colors: {
  custom: {
    50: '#8574d6',
    500: '#3f3ec2',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ec2;
$custom-light: #8574d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ec2",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 194
  },
  "hsl": {
    "h": 240.455,
    "s": 51.969,
    "l": 50.196
  },
  "oklch": {
    "l": 0.4554,
    "c": 0.19925,
    "h": 275.4
  },
  "luminance": 0.08397
}

Semantic roles & 50–950 ramp

primary

#3F3EC2

secondary

#CBCB90

accent

#DB4CDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3F3EC2

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

Preview Lab → · Contrast checker → · Palette generator →