#3F3BD8#3F3BD8

#3F3BD8 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.2% C 0.229 H 274.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BD8
RGB	rgb(63, 59, 216)
HSL	hsl(242, 67%, 54%)
HSV	hsv(242, 73%, 85%)
CMYK	cmyk(70.8%, 72.7%, 0%, 15.3%)
CIE-LAB	lab(36.25, 50.87, -79.06)
CIE-LCH	lch(36.25, 94.01, 302.76°)
OKLab	oklab(47.22% 0.0171 -0.2286)
OKLCH	oklch(47.22% 0.229 274.3)
XYZ	xyz(16.0044, 9.1410, 65.8734)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3BD8 #D4D83B

analogous

#3B86D8 #3F3BD8 #8E3BD8

triadic

#3F3BD8 #D83F3B #3BD83F

tetradic

#3F3BD8 #D83B86 #D4D83B #3BD88E

square

#3F3BD8 #D83B86 #D4D83B #3BD88E

split-complementary

#3F3BD8 #D88E3B #86D83B

monochromatic

#1C197F #2723B2 #3F3BD8 #716EE2 #A3A1EC

Accessibility & contrast

On white

7.42

#3F3BD8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3F3BD8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BD8

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BD8	#FFFFFF	#000000	##FFFFFF
##3F3BD8	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDD

Deuteranopia (green-blind)

#004ED5

Tritanopia (blue-blind)

#006886

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f3bd8;
/* rgb */ color: rgb(63, 59, 216);
/* oklch */ color: oklch(47.2% 0.229 274.3);

Tailwind

colors: {
  custom: {
    50: '#8a73e5',
    500: '#3f3bd8',
    950: '#000000',
  },
}

SCSS

$custom: #3f3bd8;
$custom-light: #8a73e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3bd8",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 216
  },
  "hsl": {
    "h": 241.529,
    "s": 66.809,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47216,
    "c": 0.22928,
    "h": 274.3
  },
  "luminance": 0.09143
}

Semantic roles & 50–950 ramp

primary

#3F3BD8

secondary

#D7D996

accent

#EA3EE5

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3F3BD8

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

Preview Lab → · Contrast checker → · Palette generator →