#3F3DD7#3F3DD7

#3F3DD7 is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.4% C 0.226 H 274.1°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F3DD7
RGB	rgb(63, 61, 215)
HSL	hsl(241, 66%, 54%)
HSV	hsv(241, 72%, 84%)
CMYK	cmyk(70.7%, 71.6%, 0%, 15.7%)
CIE-LAB	lab(36.55, 49.44, -77.99)
CIE-LCH	lch(36.55, 92.34, 302.37°)
OKLab	oklab(47.4% 0.0162 -0.2255)
OKLCH	oklch(47.4% 0.226 274.1)
XYZ	xyz(15.9803, 9.2990, 65.2295)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.02

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3DD7 #D5D73D

analogous

#3D88D7 #3F3DD7 #8C3DD7

triadic

#3F3DD7 #D73F3D #3DD73F

tetradic

#3F3DD7 #D73D88 #D5D73D #3DD78C

square

#3F3DD7 #D73D88 #D5D73D #3DD78C

split-complementary

#3F3DD7 #D78C3D #88D73D

monochromatic

#1C1A7F #2725B2 #3F3DD7 #7170E1 #A3A2EC

Accessibility & contrast

On white

7.34

#3F3DD7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3F3DD7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DD7

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3DD7	#FFFFFF	#000000	##FFFFFF
##3F3DD7	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DDC

Deuteranopia (green-blind)

#004FD4

Tritanopia (blue-blind)

#006886

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f3dd7;
/* rgb */ color: rgb(63, 61, 215);
/* oklch */ color: oklch(47.4% 0.226 274.1);

Tailwind

colors: {
  custom: {
    50: '#8974e5',
    500: '#3f3dd7',
    950: '#000000',
  },
}

SCSS

$custom: #3f3dd7;
$custom-light: #8974e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3dd7",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 215
  },
  "hsl": {
    "h": 240.779,
    "s": 65.812,
    "l": 54.118
  },
  "oklch": {
    "l": 0.474,
    "c": 0.22612,
    "h": 274.1
  },
  "luminance": 0.09301
}

Semantic roles & 50–950 ramp

primary

#3F3DD7

secondary

#D8D997

accent

#E93FE7

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F3DD7

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

Preview Lab → · Contrast checker → · Palette generator →