#3F3EBC#3F3EBC

#3F3EBC is a dark, vivid blue. Relative luminance 0.081; OKLCH L 45.0% C 0.192 H 275.8°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EBC
RGB	rgb(63, 62, 188)
HSL	hsl(240, 50%, 49%)
HSV	hsv(240, 67%, 74%)
CMYK	cmyk(66.5%, 67%, 0%, 26.3%)
CIE-LAB	lab(34.26, 39.98, -66.05)
CIE-LCH	lch(34.26, 77.21, 301.19°)
OKLab	oklab(44.99% 0.0194 -0.1906)
OKLCH	oklch(44.99% 0.192 275.8)
XYZ	xyz(12.8466, 8.1317, 48.4598)
Luminance	0.0813 (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

#3F3EBC #BBBC3E

analogous

#3E7CBC #3F3EBC #7E3EBC

triadic

#3F3EBC #BC3F3E #3EBC3F

tetradic

#3F3EBC #BC3E7C #BBBC3E #3EBC7E

square

#3F3EBC #BC3E7C #BBBC3E #3EBC7E

split-complementary

#3F3EBC #BC7E3E #7CBC3E

monochromatic

#202060 #302F8E #3F3EBC #6A6ACE #9898DD

Accessibility & contrast

On white

8.00

#3F3EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3F3EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EBC

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EBC	#FFFFFF	#000000	##FFFFFF
##3F3EBC	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f3ebc;
/* rgb */ color: rgb(63, 62, 188);
/* oklch */ color: oklch(45.0% 0.192 275.8);

Tailwind

colors: {
  custom: {
    50: '#8474d1',
    500: '#3f3ebc',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ebc;
$custom-light: #8474d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ebc",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 188
  },
  "hsl": {
    "h": 240.476,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44986,
    "c": 0.19163,
    "h": 275.8
  },
  "luminance": 0.08133
}

Semantic roles & 50–950 ramp

primary

#3F3EBC

secondary

#C8C98D

accent

#DA4ED9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3F3EBC

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

Preview Lab → · Contrast checker → · Palette generator →