#3F3EB2#3F3EB2

#3F3EB2 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.179 H 276.6°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EB2
RGB	rgb(63, 62, 178)
HSL	hsl(241, 48%, 47%)
HSV	hsv(241, 65%, 70%)
CMYK	cmyk(64.6%, 65.2%, 0%, 30.2%)
CIE-LAB	lab(33.38, 36.61, -61.57)
CIE-LCH	lch(33.38, 71.63, 300.74°)
OKLab	oklab(44.08% 0.0204 -0.1775)
OKLCH	oklch(44.08% 0.179 276.6)
XYZ	xyz(11.8058, 7.7154, 42.9779)
Luminance	0.0772 (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

#3F3EB2 #B1B23E

analogous

#3E77B2 #3F3EB2 #793EB2

triadic

#3F3EB2 #B23F3E #3EB23F

tetradic

#3F3EB2 #B23E77 #B1B23E #3EB279

square

#3F3EB2 #B23E77 #B1B23E #3EB279

split-complementary

#3F3EB2 #B2793E #77B23E

monochromatic

#1F1E57 #2F2E85 #3F3EB2 #6564C9 #9292D9

Accessibility & contrast

On white

8.26

#3F3EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3F3EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EB2

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EB2	#FFFFFF	#000000	##FFFFFF
##3F3EB2	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f3eb2;
/* rgb */ color: rgb(63, 62, 178);
/* oklch */ color: oklch(44.1% 0.179 276.6);

Tailwind

colors: {
  custom: {
    50: '#8274ca',
    500: '#3f3eb2',
    950: '#000000',
  },
}

SCSS

$custom: #3f3eb2;
$custom-light: #8274ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3eb2",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 178
  },
  "hsl": {
    "h": 240.517,
    "s": 48.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44084,
    "c": 0.17868,
    "h": 276.6
  },
  "luminance": 0.07716
}

Semantic roles & 50–950 ramp

primary

#3F3EB2

secondary

#C4C488

accent

#D850D7

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3F3EB2

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

Preview Lab → · Contrast checker → · Palette generator →