#3E40C4#3E40C4

#3E40C4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.0% C 0.200 H 274.6°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3E40C4
RGB	rgb(62, 64, 196)
HSL	hsl(239, 53%, 51%)
HSV	hsv(239, 68%, 77%)
CMYK	cmyk(68.4%, 67.3%, 0%, 23.1%)
CIE-LAB	lab(35.35, 41.33, -68.95)
CIE-LCH	lch(35.35, 80.39, 300.94°)
OKLab	oklab(45.98% 0.0159 -0.1992)
OKLCH	oklch(45.98% 0.2 274.6)
XYZ	xyz(13.7805, 8.6752, 53.1621)
Luminance	0.0868 (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

#3E40C4 #C4C23E

analogous

#3E83C4 #3E40C4 #7F3EC4

triadic

#3E40C4 #C43E40 #40C43E

tetradic

#3E40C4 #C43E83 #C4C23E #3EC47F

square

#3E40C4 #C43E83 #C4C23E #3EC47F

split-complementary

#3E40C4 #C47F3E #83C43E

monochromatic

#202168 #2E3097 #3E40C4 #6D6ED2 #9C9DE1

Accessibility & contrast

On white

7.68

#3E40C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3E40C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40C4

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40C4	#FFFFFF	#000000	##FFFFFF
##3E40C4	1.00	7.68	2.74	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#004DC2

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e40c4;
/* rgb */ color: rgb(62, 64, 196);
/* oklch */ color: oklch(46.0% 0.200 274.6);

Tailwind

colors: {
  custom: {
    50: '#8575d7',
    500: '#3e40c4',
    950: '#000000',
  },
}

SCSS

$custom: #3e40c4;
$custom-light: #8575d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40c4",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 196
  },
  "hsl": {
    "h": 239.104,
    "s": 53.175,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45981,
    "c": 0.19979,
    "h": 274.6
  },
  "luminance": 0.08676
}

Semantic roles & 50–950 ramp

primary

#3E40C4

secondary

#CDCC91

accent

#DA4BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3E40C4

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

Preview Lab → · Contrast checker → · Palette generator →