#3F3BDF#3F3BDF

#3F3BDF is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.9% C 0.238 H 273.8°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BDF
RGB	rgb(63, 59, 223)
HSL	hsl(241, 72%, 55%)
HSV	hsv(241, 74%, 87%)
CMYK	cmyk(71.7%, 73.5%, 0%, 12.5%)
CIE-LAB	lab(36.95, 53.09, -81.93)
CIE-LCH	lch(36.95, 97.63, 302.94°)
OKLab	oklab(47.92% 0.0158 -0.237)
OKLCH	oklch(47.92% 0.238 273.8)
XYZ	xyz(16.9287, 9.5107, 70.7413)
Luminance	0.0951 (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

#3F3BDF #DBDF3B

analogous

#3B89DF #3F3BDF #913BDF

triadic

#3F3BDF #DF3F3B #3BDF3F

tetradic

#3F3BDF #DF3B89 #DBDF3B #3BDF91

square

#3F3BDF #DF3B89 #DBDF3B #3BDF91

split-complementary

#3F3BDF #DF913B #89DF3B

monochromatic

#191689 #231FBE #3F3BDF #7370E8 #A6A4F0

Accessibility & contrast

On white

7.24

#3F3BDF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3F3BDF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BDF

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BDF	#FFFFFF	#000000	##FFFFFF
##3F3BDF	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FE4

Deuteranopia (green-blind)

#004FDC

Tritanopia (blue-blind)

#006B8A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f3bdf;
/* rgb */ color: rgb(63, 59, 223);
/* oklch */ color: oklch(47.9% 0.238 273.8);

Tailwind

colors: {
  custom: {
    50: '#8b73ea',
    500: '#3f3bdf',
    950: '#000000',
  },
}

SCSS

$custom: #3f3bdf;
$custom-light: #8b73ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3bdf",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 223
  },
  "hsl": {
    "h": 241.463,
    "s": 71.93,
    "l": 55.294
  },
  "oklch": {
    "l": 0.47916,
    "c": 0.23753,
    "h": 273.8
  },
  "luminance": 0.09512
}

Semantic roles & 50–950 ramp

primary

#3F3BDF

secondary

#DCDD99

accent

#EF39EA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3F3BDF

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

Preview Lab → · Contrast checker → · Palette generator →