#3F3DC6#3F3DC6

#3F3DC6 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.8% C 0.205 H 275.2°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F3DC6
RGB	rgb(63, 61, 198)
HSL	hsl(241, 55%, 51%)
HSV	hsv(241, 69%, 78%)
CMYK	cmyk(68.2%, 69.2%, 0%, 22.4%)
CIE-LAB	lab(34.94, 43.90, -70.79)
CIE-LCH	lch(34.94, 83.29, 301.80°)
OKLab	oklab(45.76% 0.0188 -0.2045)
OKLCH	oklch(45.76% 0.205 275.2)
XYZ	xyz(13.9083, 8.4702, 54.3171)
Luminance	0.0847 (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

#3F3DC6 #C4C63D

analogous

#3D7FC6 #3F3DC6 #833DC6

triadic

#3F3DC6 #C63F3D #3DC63F

tetradic

#3F3DC6 #C63D7F #C4C63D #3DC683

square

#3F3DC6 #C63D7F #C4C63D #3DC683

split-complementary

#3F3DC6 #C6833D #7FC63D

monochromatic

#201F6A #2E2D99 #3F3DC6 #6E6CD4 #9D9CE2

Accessibility & contrast

On white

7.79

#3F3DC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3F3DC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DC6

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3DC6	#FFFFFF	#000000	##FFFFFF
##3F3DC6	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CA

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00627D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f3dc6;
/* rgb */ color: rgb(63, 61, 198);
/* oklch */ color: oklch(45.8% 0.205 275.2);

Tailwind

colors: {
  custom: {
    50: '#8674d8',
    500: '#3f3dc6',
    950: '#000000',
  },
}

SCSS

$custom: #3f3dc6;
$custom-light: #8674d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3dc6",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 198
  },
  "hsl": {
    "h": 240.876,
    "s": 54.582,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4576,
    "c": 0.20536,
    "h": 275.2
  },
  "luminance": 0.08471
}

Semantic roles & 50–950 ramp

primary

#3F3DC6

secondary

#CDCE91

accent

#DE4ADC

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3F3DC6

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

Preview Lab → · Contrast checker → · Palette generator →