#3F4ABD#3F4ABD

#3F4ABD is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.1% C 0.179 H 273.2°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F4ABD
RGB	rgb(63, 74, 189)
HSL	hsl(235, 50%, 49%)
HSV	hsv(235, 67%, 74%)
CMYK	cmyk(66.7%, 60.8%, 0%, 25.9%)
CIE-LAB	lab(37.16, 32.88, -61.88)
CIE-LCH	lch(37.16, 70.08, 297.98°)
OKLab	oklab(47.14% 0.0101 -0.1784)
OKLCH	oklch(47.14% 0.179 273.2)
XYZ	xyz(13.6809, 9.6272, 49.2715)
Luminance	0.0963 (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

#3F4ABD #BDB23F

analogous

#3F89BD #3F4ABD #733FBD

triadic

#3F4ABD #BD3F4A #4ABD3F

tetradic

#3F4ABD #BD3F89 #BDB23F #3FBD73

square

#3F4ABD #BD3F89 #BDB23F #3FBD73

split-complementary

#3F4ABD #BD733F #89BD3F

monochromatic

#202661 #30388F #3F4ABD #6B74CE #999FDD

Accessibility & contrast

On white

7.18

#3F4ABD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#3F4ABD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4ABD

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4ABD	#FFFFFF	#000000	##FFFFFF
##3F4ABD	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC1

Deuteranopia (green-blind)

#0052BB

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f4abd;
/* rgb */ color: rgb(63, 74, 189);
/* oklch */ color: oklch(47.1% 0.179 273.2);

Tailwind

colors: {
  custom: {
    50: '#837cd2',
    500: '#3f4abd',
    950: '#000000',
  },
}

SCSS

$custom: #3f4abd;
$custom-light: #837cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4abd",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 189
  },
  "hsl": {
    "h": 234.762,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47141,
    "c": 0.17864,
    "h": 273.2
  },
  "luminance": 0.09628
}

Semantic roles & 50–950 ramp

primary

#3F4ABD

secondary

#C9C48F

accent

#CD4EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3F4ABD

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

Preview Lab → · Contrast checker → · Palette generator →