#3F3DC1#3F3DC1

#3F3DC1 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.3% C 0.199 H 275.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F3DC1
RGB	rgb(63, 61, 193)
HSL	hsl(241, 52%, 50%)
HSV	hsv(241, 68%, 76%)
CMYK	cmyk(67.4%, 68.4%, 0%, 24.3%)
CIE-LAB	lab(34.48, 42.24, -68.61)
CIE-LCH	lch(34.48, 80.58, 301.62°)
OKLab	oklab(45.29% 0.0195 -0.1981)
OKLCH	oklch(45.29% 0.199 275.6)
XYZ	xyz(13.3411, 8.2433, 51.3298)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3DC1 #BFC13D

analogous

#3D7DC1 #3F3DC1 #813DC1

triadic

#3F3DC1 #C13F3D #3DC13F

tetradic

#3F3DC1 #C13D7D #BFC13D #3DC181

square

#3F3DC1 #C13D7D #BFC13D #3DC181

split-complementary

#3F3DC1 #C1813D #7DC13D

monochromatic

#212064 #302E92 #3F3DC1 #6D6BD0 #9B99DF

Accessibility & contrast

On white

7.93

#3F3DC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3F3DC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DC1

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3DC1	#FFFFFF	#000000	##FFFFFF
##3F3DC1	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C5

Deuteranopia (green-blind)

#004BBF

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f3dc1;
/* rgb */ color: rgb(63, 61, 193);
/* oklch */ color: oklch(45.3% 0.199 275.6);

Tailwind

colors: {
  custom: {
    50: '#8573d5',
    500: '#3f3dc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f3dc1;
$custom-light: #8573d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3dc1",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 193
  },
  "hsl": {
    "h": 240.909,
    "s": 51.969,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45289,
    "c": 0.1991,
    "h": 275.6
  },
  "luminance": 0.08245
}

Semantic roles & 50–950 ramp

primary

#3F3DC1

secondary

#CACB8F

accent

#DB4CD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3F3DC1

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

Preview Lab → · Contrast checker → · Palette generator →