#3F4ABA#3F4ABA

#3F4ABA is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.9% C 0.175 H 273.3°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F4ABA
RGB	rgb(63, 74, 186)
HSL	hsl(235, 49%, 49%)
HSV	hsv(235, 66%, 73%)
CMYK	cmyk(66.1%, 60.2%, 0%, 27.1%)
CIE-LAB	lab(36.93, 31.83, -60.51)
CIE-LCH	lch(36.93, 68.37, 297.75°)
OKLab	oklab(46.89% 0.0101 -0.1743)
OKLCH	oklch(46.89% 0.175 273.3)
XYZ	xyz(13.3587, 9.4983, 47.5742)
Luminance	0.0950 (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

#3F4ABA #BAAF3F

analogous

#3F88BA #3F4ABA #723FBA

triadic

#3F4ABA #BA3F4A #4ABA3F

tetradic

#3F4ABA #BA3F88 #BAAF3F #3FBA72

square

#3F4ABA #BA3F88 #BAAF3F #3FBA72

split-complementary

#3F4ABA #BA723F #88BA3F

monochromatic

#20265F #30388C #3F4ABA #6A73CC #979EDC

Accessibility & contrast

On white

7.24

#3F4ABA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3F4ABA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4ABA

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4ABA	#FFFFFF	#000000	##FFFFFF
##3F4ABA	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)

#005DBE

Deuteranopia (green-blind)

#0051B8

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f4aba;
/* rgb */ color: rgb(63, 74, 186);
/* oklch */ color: oklch(46.9% 0.175 273.3);

Tailwind

colors: {
  custom: {
    50: '#827cd0',
    500: '#3f4aba',
    950: '#000000',
  },
}

SCSS

$custom: #3f4aba;
$custom-light: #827cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4aba",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 186
  },
  "hsl": {
    "h": 234.634,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4689,
    "c": 0.17462,
    "h": 273.3
  },
  "luminance": 0.09499
}

Semantic roles & 50–950 ramp

primary

#3F4ABA

secondary

#C8C28D

accent

#CD4FD9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3F4ABA

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

Preview Lab → · Contrast checker → · Palette generator →