#3F4CC4#3F4CC4

#3F4CC4 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.1% C 0.185 H 272.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F4CC4
RGB	rgb(63, 76, 196)
HSL	hsl(234, 53%, 51%)
HSV	hsv(234, 68%, 77%)
CMYK	cmyk(67.9%, 61.2%, 0%, 23.1%)
CIE-LAB	lab(38.22, 34.05, -64.26)
CIE-LCH	lch(38.22, 72.73, 297.92°)
OKLab	oklab(48.09% 0.0083 -0.1853)
OKLCH	oklch(48.09% 0.186 272.6)
XYZ	xyz(14.5948, 10.2098, 53.4154)
Luminance	0.1021 (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

#3F4CC4 #C4B73F

analogous

#3F8FC4 #3F4CC4 #743FC4

triadic

#3F4CC4 #C43F4C #4CC43F

tetradic

#3F4CC4 #C43F8F #C4B73F #3FC474

square

#3F4CC4 #C43F8F #C4B73F #3FC474

split-complementary

#3F4CC4 #C4743F #8FC43F

monochromatic

#202768 #2E3997 #3F4CC4 #6E78D2 #9DA3E1

Accessibility & contrast

On white

6.90

#3F4CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3F4CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4CC4

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4CC4	#FFFFFF	#000000	##FFFFFF
##3F4CC4	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C8

Deuteranopia (green-blind)

#0054C2

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f4cc4;
/* rgb */ color: rgb(63, 76, 196);
/* oklch */ color: oklch(48.1% 0.185 272.6);

Tailwind

colors: {
  custom: {
    50: '#847ed7',
    500: '#3f4cc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f4cc4;
$custom-light: #847ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4cc4",
  "rgb": {
    "r": 63,
    "g": 76,
    "b": 196
  },
  "hsl": {
    "h": 234.135,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48092,
    "c": 0.1855,
    "h": 272.6
  },
  "luminance": 0.10211
}

Semantic roles & 50–950 ramp

primary

#3F4CC4

secondary

#CDC792

accent

#CE4BDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3F4CC4

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

Preview Lab → · Contrast checker → · Palette generator →