#3F3EC6#3F3EC6

#3F3EC6 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.9% C 0.204 H 275.1°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EC6
RGB	rgb(63, 62, 198)
HSL	hsl(240, 54%, 51%)
HSV	hsv(240, 69%, 78%)
CMYK	cmyk(68.2%, 68.7%, 0%, 22.4%)
CIE-LAB	lab(35.16, 43.31, -70.43)
CIE-LCH	lch(35.16, 82.68, 301.59°)
OKLab	oklab(45.92% 0.0181 -0.2035)
OKLCH	oklch(45.92% 0.204 275.1)
XYZ	xyz(13.9622, 8.5779, 54.3350)
Luminance	0.0858 (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

#3F3EC6 #C5C63E

analogous

#3E81C6 #3F3EC6 #833EC6

triadic

#3F3EC6 #C63F3E #3EC63F

tetradic

#3F3EC6 #C63E81 #C5C63E #3EC683

square

#3F3EC6 #C63E81 #C5C63E #3EC683

split-complementary

#3F3EC6 #C6833E #81C63E

monochromatic

#201F6A #2E2D99 #3F3EC6 #6E6DD4 #9D9CE2

Accessibility & contrast

On white

7.73

#3F3EC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3F3EC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EC6

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EC6	#FFFFFF	#000000	##FFFFFF
##3F3EC6	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CA

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f3ec6;
/* rgb */ color: rgb(63, 62, 198);
/* oklch */ color: oklch(45.9% 0.204 275.1);

Tailwind

colors: {
  custom: {
    50: '#8674d8',
    500: '#3f3ec6',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ec6;
$custom-light: #8674d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ec6",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 198
  },
  "hsl": {
    "h": 240.441,
    "s": 54.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45915,
    "c": 0.20428,
    "h": 275.1
  },
  "luminance": 0.08579
}

Semantic roles & 50–950 ramp

primary

#3F3EC6

secondary

#CECE92

accent

#DE4ADD

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3F3EC6

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

Preview Lab → · Contrast checker → · Palette generator →