#3F3FD0#3F3FD0

#3F3FD0 is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.0% C 0.216 H 274.3°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FD0
RGB	rgb(63, 63, 208)
HSL	hsl(240, 61%, 53%)
HSV	hsv(240, 70%, 82%)
CMYK	cmyk(69.7%, 69.7%, 0%, 18.4%)
CIE-LAB	lab(36.30, 46.02, -74.37)
CIE-LCH	lch(36.30, 87.46, 301.75°)
OKLab	oklab(47.02% 0.0161 -0.215)
OKLCH	oklch(47.02% 0.216 274.3)
XYZ	xyz(15.2088, 9.1644, 60.6297)
Luminance	0.0917 (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

#3F3FD0 #D0D03F

analogous

#3F87D0 #3F3FD0 #873FD0

triadic

#3F3FD0 #D03F3F #3FD03F

tetradic

#3F3FD0 #D03F87 #D0D03F #3FD087

square

#3F3FD0 #D03F87 #D0D03F #3FD087

split-complementary

#3F3FD0 #D0873F #87D03F

monochromatic

#1D1D77 #2929A9 #3F3FD0 #7070DC #A1A1E8

Accessibility & contrast

On white

7.41

#3F3FD0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3F3FD0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FD0

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FD0	#FFFFFF	#000000	##FFFFFF
##3F3FD0	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD4

Deuteranopia (green-blind)

#004FCD

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f3fd0;
/* rgb */ color: rgb(63, 63, 208);
/* oklch */ color: oklch(47.0% 0.216 274.3);

Tailwind

colors: {
  custom: {
    50: '#8875e0',
    500: '#3f3fd0',
    950: '#000000',
  },
}

SCSS

$custom: #3f3fd0;
$custom-light: #8875e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3fd0",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 208
  },
  "hsl": {
    "h": 240,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47016,
    "c": 0.21559,
    "h": 274.3
  },
  "luminance": 0.09166
}

Semantic roles & 50–950 ramp

primary

#3F3FD0

secondary

#D5D596

accent

#E444E4

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3FD0

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

Preview Lab → · Contrast checker → · Palette generator →