#3F3FCE#3F3FCE

#3F3FCE is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.8% C 0.213 H 274.4°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FCE
RGB	rgb(63, 63, 206)
HSL	hsl(240, 59%, 53%)
HSV	hsv(240, 69%, 81%)
CMYK	cmyk(69.4%, 69.4%, 0%, 19.2%)
CIE-LAB	lab(36.11, 45.37, -73.52)
CIE-LCH	lch(36.11, 86.39, 301.68°)
OKLab	oklab(46.83% 0.0164 -0.2125)
OKLCH	oklch(46.83% 0.213 274.4)
XYZ	xyz(14.9643, 9.0666, 59.3420)
Luminance	0.0907 (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

#3F3FCE #CECE3F

analogous

#3F86CE #3F3FCE #863FCE

triadic

#3F3FCE #CE3F3F #3FCE3F

tetradic

#3F3FCE #CE3F86 #CECE3F #3FCE86

square

#3F3FCE #CE3F86 #CECE3F #3FCE86

split-complementary

#3F3FCE #CE863F #86CE3F

monochromatic

#1E1E75 #2A2AA6 #3F3FCE #7070DA #A1A1E7

Accessibility & contrast

On white

7.46

#3F3FCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3F3FCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FCE

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FCE	#FFFFFF	#000000	##FFFFFF
##3F3FCE	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD2

Deuteranopia (green-blind)

#004ECB

Tritanopia (blue-blind)

#006682

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f3fce;
/* rgb */ color: rgb(63, 63, 206);
/* oklch */ color: oklch(46.8% 0.213 274.4);

Tailwind

colors: {
  custom: {
    50: '#8775de',
    500: '#3f3fce',
    950: '#000000',
  },
}

SCSS

$custom: #3f3fce;
$custom-light: #8775de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3fce",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 206
  },
  "hsl": {
    "h": 240,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46826,
    "c": 0.21312,
    "h": 274.4
  },
  "luminance": 0.09068
}

Semantic roles & 50–950 ramp

primary

#3F3FCE

secondary

#D3D395

accent

#E345E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3FCE

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

Preview Lab → · Contrast checker → · Palette generator →