#3E40C6#3E40C6

#3E40C6 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.2% C 0.202 H 274.4°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3E40C6
RGB	rgb(62, 64, 198)
HSL	hsl(239, 54%, 51%)
HSV	hsv(239, 69%, 78%)
CMYK	cmyk(68.7%, 67.7%, 0%, 22.4%)
CIE-LAB	lab(35.53, 42.00, -69.82)
CIE-LCH	lch(35.53, 81.48, 301.03°)
OKLab	oklab(46.17% 0.0156 -0.2017)
OKLCH	oklch(46.17% 0.202 274.4)
XYZ	xyz(14.0097, 8.7668, 54.3690)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E40C6 #C6C43E

analogous

#3E84C6 #3E40C6 #803EC6

triadic

#3E40C6 #C63E40 #40C63E

tetradic

#3E40C6 #C63E84 #C6C43E #3EC680

square

#3E40C6 #C63E84 #C6C43E #3EC680

split-complementary

#3E40C6 #C6803E #84C63E

monochromatic

#1F206A #2D2F99 #3E40C6 #6D6FD4 #9C9EE2

Accessibility & contrast

On white

7.63

#3E40C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3E40C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40C6

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40C6	#FFFFFF	#000000	##FFFFFF
##3E40C6	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACA

Deuteranopia (green-blind)

#004DC3

Tritanopia (blue-blind)

#00647E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3e40c6;
/* rgb */ color: rgb(62, 64, 198);
/* oklch */ color: oklch(46.2% 0.202 274.4);

Tailwind

colors: {
  custom: {
    50: '#8575d8',
    500: '#3e40c6',
    950: '#000000',
  },
}

SCSS

$custom: #3e40c6;
$custom-light: #8575d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40c6",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 198
  },
  "hsl": {
    "h": 239.118,
    "s": 54.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46167,
    "c": 0.20232,
    "h": 274.4
  },
  "luminance": 0.08768
}

Semantic roles & 50–950 ramp

primary

#3E40C6

secondary

#CECD92

accent

#DC4ADE

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3E40C6

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

Preview Lab → · Contrast checker → · Palette generator →