#3F3BC5#3F3BC5

#3F3BC5 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.4% C 0.206 H 275.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BC5
RGB	rgb(63, 59, 197)
HSL	hsl(242, 54%, 50%)
HSV	hsv(242, 70%, 77%)
CMYK	cmyk(68%, 70.1%, 0%, 22.7%)
CIE-LAB	lab(34.43, 44.73, -71.05)
CIE-LCH	lch(34.43, 83.96, 302.19°)
OKLab	oklab(45.36% 0.0202 -0.2053)
OKLCH	oklch(45.36% 0.206 275.6)
XYZ	xyz(13.6886, 8.2147, 53.6767)
Luminance	0.0822 (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

#3F3BC5 #C1C53B

analogous

#3B7CC5 #3F3BC5 #843BC5

triadic

#3F3BC5 #C53F3B #3BC53F

tetradic

#3F3BC5 #C53B7C #C1C53B #3BC584

square

#3F3BC5 #C53B7C #C1C53B #3BC584

split-complementary

#3F3BC5 #C5843B #7CC53B

monochromatic

#211F67 #302C96 #3F3BC5 #6D6AD3 #9C99E1

Accessibility & contrast

On white

7.94

#3F3BC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3F3BC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BC5

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BC5	#FFFFFF	#000000	##FFFFFF
##3F3BC5	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C9

Deuteranopia (green-blind)

#004BC2

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f3bc5;
/* rgb */ color: rgb(63, 59, 197);
/* oklch */ color: oklch(45.4% 0.206 275.6);

Tailwind

colors: {
  custom: {
    50: '#8672d8',
    500: '#3f3bc5',
    950: '#000000',
  },
}

SCSS

$custom: #3f3bc5;
$custom-light: #8672d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3bc5",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 197
  },
  "hsl": {
    "h": 241.739,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.4536,
    "c": 0.20627,
    "h": 275.6
  },
  "luminance": 0.08216
}

Semantic roles & 50–950 ramp

primary

#3F3BC5

secondary

#CBCD8F

accent

#DE4AD9

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3F3BC5

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

Preview Lab → · Contrast checker → · Palette generator →