#3E40CF#3E40CF

#3E40CF is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.0% C 0.214 H 273.9°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#3E40CF
RGB	rgb(62, 64, 207)
HSL	hsl(239, 60%, 53%)
HSV	hsv(239, 70%, 81%)
CMYK	cmyk(70%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(36.36, 45.00, -73.70)
CIE-LCH	lch(36.36, 86.35, 301.41°)
OKLab	oklab(47.01% 0.0145 -0.213)
OKLCH	oklch(47.01% 0.214 273.9)
XYZ	xyz(15.0787, 9.1945, 59.9994)
Luminance	0.0920 (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

#3E40CF #CFCD3E

analogous

#3E89CF #3E40CF #843ECF

triadic

#3E40CF #CF3E40 #40CF3E

tetradic

#3E40CF #CF3E89 #CFCD3E #3ECF84

square

#3E40CF #CF3E89 #CFCD3E #3ECF84

split-complementary

#3E40CF #CF843E #89CF3E

monochromatic

#1D1E75 #292BA6 #3E40CF #6F71DB #A0A1E7

Accessibility & contrast

On white

7.40

#3E40CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3E40CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40CF

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40CF	#FFFFFF	#000000	##FFFFFF
##3E40CF	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD3

Deuteranopia (green-blind)

#004FCC

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3e40cf;
/* rgb */ color: rgb(62, 64, 207);
/* oklch */ color: oklch(47.0% 0.214 273.9);

Tailwind

colors: {
  custom: {
    50: '#8776df',
    500: '#3e40cf',
    950: '#000000',
  },
}

SCSS

$custom: #3e40cf;
$custom-light: #8776df;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40cf",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 239.172,
    "s": 60.166,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47013,
    "c": 0.21353,
    "h": 273.9
  },
  "luminance": 0.09196
}

Semantic roles & 50–950 ramp

primary

#3E40CF

secondary

#D4D395

accent

#E144E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3E40CF

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

Preview Lab → · Contrast checker → · Palette generator →