#3F3FCA#3F3FCA

#3F3FCA is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.4% C 0.208 H 274.7°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FCA
RGB	rgb(63, 63, 202)
HSL	hsl(240, 57%, 52%)
HSV	hsv(240, 69%, 79%)
CMYK	cmyk(68.8%, 68.8%, 0%, 20.8%)
CIE-LAB	lab(35.74, 44.04, -71.80)
CIE-LCH	lch(35.74, 84.24, 301.52°)
OKLab	oklab(46.45% 0.017 -0.2075)
OKLCH	oklch(46.45% 0.208 274.7)
XYZ	xyz(14.4845, 8.8747, 56.8153)
Luminance	0.0888 (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

#3F3FCA #CACA3F

analogous

#3F85CA #3F3FCA #853FCA

triadic

#3F3FCA #CA3F3F #3FCA3F

tetradic

#3F3FCA #CA3F85 #CACA3F #3FCA85

square

#3F3FCA #CA3F85 #CACA3F #3FCA85

split-complementary

#3F3FCA #CA853F #85CA3F

monochromatic

#1F1F70 #2C2CA0 #3F3FCA #6F6FD7 #9F9FE4

Accessibility & contrast

On white

7.57

#3F3FCA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3F3FCA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FCA

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FCA	#FFFFFF	#000000	##FFFFFF
##3F3FCA	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACE

Deuteranopia (green-blind)

#004EC7

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3f3fca;
/* rgb */ color: rgb(63, 63, 202);
/* oklch */ color: oklch(46.4% 0.208 274.7);

Tailwind

colors: {
  custom: {
    50: '#8675db',
    500: '#3f3fca',
    950: '#000000',
  },
}

SCSS

$custom: #3f3fca;
$custom-light: #8675db;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3fca",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 202
  },
  "hsl": {
    "h": 240,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46447,
    "c": 0.20817,
    "h": 274.7
  },
  "luminance": 0.08876
}

Semantic roles & 50–950 ramp

primary

#3F3FCA

secondary

#D1D194

accent

#E048E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3FCA

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

Preview Lab → · Contrast checker → · Palette generator →