#3F3BD5#3F3BD5

#3F3BD5 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.9% C 0.226 H 274.5°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BD5
RGB	rgb(63, 59, 213)
HSL	hsl(242, 65%, 53%)
HSV	hsv(242, 72%, 84%)
CMYK	cmyk(70.4%, 72.3%, 0%, 16.5%)
CIE-LAB	lab(35.96, 49.91, -77.82)
CIE-LCH	lch(35.96, 92.45, 302.68°)
OKLab	oklab(46.92% 0.0176 -0.225)
OKLCH	oklch(46.92% 0.226 274.5)
XYZ	xyz(15.6201, 8.9873, 63.8494)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.78

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3BD5 #D1D53B

analogous

#3B84D5 #3F3BD5 #8C3BD5

triadic

#3F3BD5 #D53F3B #3BD53F

tetradic

#3F3BD5 #D53B84 #D1D53B #3BD58C

square

#3F3BD5 #D53B84 #D1D53B #3BD58C

split-complementary

#3F3BD5 #D58C3B #84D53B

monochromatic

#1D1A7B #2925AE #3F3BD5 #706DE0 #A2A0EB

Accessibility & contrast

On white

7.51

#3F3BD5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3F3BD5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BD5

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BD5	#FFFFFF	#000000	##FFFFFF
##3F3BD5	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDA

Deuteranopia (green-blind)

#004DD2

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f3bd5;
/* rgb */ color: rgb(63, 59, 213);
/* oklch */ color: oklch(46.9% 0.226 274.5);

Tailwind

colors: {
  custom: {
    50: '#8973e3',
    500: '#3f3bd5',
    950: '#000000',
  },
}

SCSS

$custom: #3f3bd5;
$custom-light: #8973e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3bd5",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 213
  },
  "hsl": {
    "h": 241.558,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.46918,
    "c": 0.22571,
    "h": 274.5
  },
  "luminance": 0.08989
}

Semantic roles & 50–950 ramp

primary

#3F3BD5

secondary

#D5D795

accent

#E840E3

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F3BD5

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

Preview Lab → · Contrast checker → · Palette generator →