#3F3FC6#3F3FC6

#3F3FC6 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.1% C 0.203 H 274.9°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FC6
RGB	rgb(63, 63, 198)
HSL	hsl(240, 54%, 51%)
HSV	hsv(240, 68%, 78%)
CMYK	cmyk(68.2%, 68.2%, 0%, 22.4%)
CIE-LAB	lab(35.38, 42.72, -70.08)
CIE-LCH	lch(35.38, 82.07, 301.37°)
OKLab	oklab(46.07% 0.0175 -0.2024)
OKLCH	oklch(46.07% 0.203 274.9)
XYZ	xyz(14.0171, 8.6877, 54.3533)
Luminance	0.0869 (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

#3F3FC6 #C6C63F

analogous

#3F82C6 #3F3FC6 #823FC6

triadic

#3F3FC6 #C63F3F #3FC63F

tetradic

#3F3FC6 #C63F82 #C6C63F #3FC682

square

#3F3FC6 #C63F82 #C6C63F #3FC682

split-complementary

#3F3FC6 #C6823F #82C63F

monochromatic

#20206B #2E2E9A #3F3FC6 #6E6ED4 #9D9DE2

Accessibility & contrast

On white

7.67

#3F3FC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3F3FC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FC6

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FC6	#FFFFFF	#000000	##FFFFFF
##3F3FC6	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CA

Deuteranopia (green-blind)

#004DC3

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f3fc6;
/* rgb */ color: rgb(63, 63, 198);
/* oklch */ color: oklch(46.1% 0.203 274.9);

Tailwind

colors: {
  custom: {
    50: '#8675d8',
    500: '#3f3fc6',
    950: '#000000',
  },
}

SCSS

$custom: #3f3fc6;
$custom-light: #8675d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3fc6",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 198
  },
  "hsl": {
    "h": 240,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46071,
    "c": 0.20318,
    "h": 274.9
  },
  "luminance": 0.08689
}

Semantic roles & 50–950 ramp

primary

#3F3FC6

secondary

#CECE93

accent

#DE4ADE

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3F3FC6

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

Preview Lab → · Contrast checker → · Palette generator →