#3F3FD3#3F3FD3

#3F3FD3 is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.3% C 0.219 H 274.1°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FD3
RGB	rgb(63, 63, 211)
HSL	hsl(240, 63%, 54%)
HSV	hsv(240, 70%, 83%)
CMYK	cmyk(70.1%, 70.1%, 0%, 17.3%)
CIE-LAB	lab(36.58, 47.01, -75.64)
CIE-LCH	lch(36.58, 89.06, 301.86°)
OKLab	oklab(47.3% 0.0157 -0.2187)
OKLCH	oklch(47.3% 0.219 274.1)
XYZ	xyz(15.5814, 9.3134, 62.5919)
Luminance	0.0931 (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

#3F3FD3 #D3D33F

analogous

#3F89D3 #3F3FD3 #893FD3

triadic

#3F3FD3 #D33F3F #3FD33F

tetradic

#3F3FD3 #D33F89 #D3D33F #3FD389

square

#3F3FD3 #D33F89 #D3D33F #3FD389

split-complementary

#3F3FD3 #D3893F #89D33F

monochromatic

#1C1C7B #2828AD #3F3FD3 #7171DE #A3A3EA

Accessibility & contrast

On white

7.33

#3F3FD3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3F3FD3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FD3

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FD3	#FFFFFF	#000000	##FFFFFF
##3F3FD3	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD7

Deuteranopia (green-blind)

#004FD0

Tritanopia (blue-blind)

#006884

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f3fd3;
/* rgb */ color: rgb(63, 63, 211);
/* oklch */ color: oklch(47.3% 0.219 274.1);

Tailwind

colors: {
  custom: {
    50: '#8875e2',
    500: '#3f3fd3',
    950: '#000000',
  },
}

SCSS

$custom: #3f3fd3;
$custom-light: #8875e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3fd3",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 211
  },
  "hsl": {
    "h": 240,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.47304,
    "c": 0.21924,
    "h": 274.1
  },
  "luminance": 0.09315
}

Semantic roles & 50–950 ramp

primary

#3F3FD3

secondary

#D7D797

accent

#E642E6

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F3FD3

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

Preview Lab → · Contrast checker → · Palette generator →