#3F3FD6#3F3FD6

#3F3FD6 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.6% C 0.223 H 273.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FD6
RGB	rgb(63, 63, 214)
HSL	hsl(240, 65%, 54%)
HSV	hsv(240, 71%, 84%)
CMYK	cmyk(70.6%, 70.6%, 0%, 16.1%)
CIE-LAB	lab(36.87, 47.99, -76.90)
CIE-LCH	lch(36.87, 90.64, 301.96°)
OKLab	oklab(47.59% 0.0153 -0.2224)
OKLCH	oklch(47.59% 0.223 273.9)
XYZ	xyz(15.9610, 9.4653, 64.5911)
Luminance	0.0947 (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

#3F3FD6 #D6D63F

analogous

#3F8BD6 #3F3FD6 #8B3FD6

triadic

#3F3FD6 #D63F3F #3FD63F

tetradic

#3F3FD6 #D63F8B #D6D63F #3FD68B

square

#3F3FD6 #D63F8B #D6D63F #3FD68B

split-complementary

#3F3FD6 #D68B3F #8BD63F

monochromatic

#1B1B7F #2626B2 #3F3FD6 #7171E1 #A4A4EC

Accessibility & contrast

On white

7.26

#3F3FD6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3F3FD6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FD6

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FD6	#FFFFFF	#000000	##FFFFFF
##3F3FD6	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EDB

Deuteranopia (green-blind)

#0050D3

Tritanopia (blue-blind)

#006986

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f3fd6;
/* rgb */ color: rgb(63, 63, 214);
/* oklch */ color: oklch(47.6% 0.223 273.9);

Tailwind

colors: {
  custom: {
    50: '#8975e4',
    500: '#3f3fd6',
    950: '#000000',
  },
}

SCSS

$custom: #3f3fd6;
$custom-light: #8975e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3fd6",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 214
  },
  "hsl": {
    "h": 240,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.47593,
    "c": 0.22289,
    "h": 273.9
  },
  "luminance": 0.09467
}

Semantic roles & 50–950 ramp

primary

#3F3FD6

secondary

#D8D898

accent

#E840E8

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F3FD6

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

Preview Lab → · Contrast checker → · Palette generator →