#3F3EBA#3F3EBA

#3F3EBA is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.8% C 0.189 H 275.9°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EBA
RGB	rgb(63, 62, 186)
HSL	hsl(240, 50%, 49%)
HSV	hsv(240, 67%, 73%)
CMYK	cmyk(66.1%, 66.7%, 0%, 27.1%)
CIE-LAB	lab(34.08, 39.31, -65.16)
CIE-LCH	lch(34.08, 76.10, 301.10°)
OKLab	oklab(44.8% 0.0196 -0.188)
OKLCH	oklch(44.8% 0.189 275.9)
XYZ	xyz(12.6325, 8.0461, 47.3322)
Luminance	0.0805 (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

#3F3EBA #B9BA3E

analogous

#3E7BBA #3F3EBA #7D3EBA

triadic

#3F3EBA #BA3F3E #3EBA3F

tetradic

#3F3EBA #BA3E7B #B9BA3E #3EBA7D

square

#3F3EBA #BA3E7B #B9BA3E #3EBA7D

split-complementary

#3F3EBA #BA7D3E #7BBA3E

monochromatic

#201F5E #2F2F8C #3F3EBA #6968CD #9796DC

Accessibility & contrast

On white

8.05

#3F3EBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3F3EBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EBA

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EBA	#FFFFFF	#000000	##FFFFFF
##3F3EBA	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f3eba;
/* rgb */ color: rgb(63, 62, 186);
/* oklch */ color: oklch(44.8% 0.189 275.9);

Tailwind

colors: {
  custom: {
    50: '#8374d0',
    500: '#3f3eba',
    950: '#000000',
  },
}

SCSS

$custom: #3f3eba;
$custom-light: #8374d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3eba",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 186
  },
  "hsl": {
    "h": 240.484,
    "s": 50,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44804,
    "c": 0.18907,
    "h": 275.9
  },
  "luminance": 0.08047
}

Semantic roles & 50–950 ramp

primary

#3F3EBA

secondary

#C7C88C

accent

#DA4ED8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3F3EBA

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

Preview Lab → · Contrast checker → · Palette generator →