#3F4ABE#3F4ABE

#3F4ABE is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.180 H 273.2°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F4ABE
RGB	rgb(63, 74, 190)
HSL	hsl(235, 50%, 50%)
HSV	hsv(235, 67%, 75%)
CMYK	cmyk(66.8%, 61.1%, 0%, 25.5%)
CIE-LAB	lab(37.24, 33.23, -62.34)
CIE-LCH	lch(37.24, 70.64, 298.06°)
OKLab	oklab(47.23% 0.01 -0.1797)
OKLCH	oklch(47.23% 0.18 273.2)
XYZ	xyz(13.7898, 9.6708, 49.8451)
Luminance	0.0967 (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

#3F4ABE #BEB33F

analogous

#3F8ABE #3F4ABE #733FBE

triadic

#3F4ABE #BE3F4A #4ABE3F

tetradic

#3F4ABE #BE3F8A #BEB33F #3FBE73

square

#3F4ABE #BE3F8A #BEB33F #3FBE73

split-complementary

#3F4ABE #BE733F #8ABE3F

monochromatic

#212662 #303890 #3F4ABE #6C74CE #9AA0DD

Accessibility & contrast

On white

7.16

#3F4ABE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#3F4ABE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4ABE

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4ABE	#FFFFFF	#000000	##FFFFFF
##3F4ABE	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC2

Deuteranopia (green-blind)

#0052BC

Tritanopia (blue-blind)

#00677D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3f4abe;
/* rgb */ color: rgb(63, 74, 190);
/* oklch */ color: oklch(47.2% 0.180 273.2);

Tailwind

colors: {
  custom: {
    50: '#837cd2',
    500: '#3f4abe',
    950: '#000000',
  },
}

SCSS

$custom: #3f4abe;
$custom-light: #837cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4abe",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 190
  },
  "hsl": {
    "h": 234.803,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.47225,
    "c": 0.17998,
    "h": 273.2
  },
  "luminance": 0.09672
}

Semantic roles & 50–950 ramp

primary

#3F4ABE

secondary

#C9C48F

accent

#CE4EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3F4ABE

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

Preview Lab → · Contrast checker → · Palette generator →