#3E40CD#3E40CD

#3E40CD is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.8% C 0.211 H 274.0°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#3E40CD
RGB	rgb(62, 64, 205)
HSL	hsl(239, 59%, 52%)
HSV	hsv(239, 70%, 80%)
CMYK	cmyk(69.8%, 68.8%, 0%, 19.6%)
CIE-LAB	lab(36.17, 44.34, -72.84)
CIE-LCH	lch(36.17, 85.28, 301.33°)
OKLab	oklab(46.82% 0.0148 -0.2105)
OKLCH	oklch(46.82% 0.211 274)
XYZ	xyz(14.8358, 9.0973, 58.7199)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.00

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E40CD #CDCB3E

analogous

#3E87CD #3E40CD #843ECD

triadic

#3E40CD #CD3E40 #40CD3E

tetradic

#3E40CD #CD3E87 #CDCB3E #3ECD84

square

#3E40CD #CD3E87 #CDCB3E #3ECD84

split-complementary

#3E40CD #CD843E #87CD3E

monochromatic

#1E1F73 #2A2CA3 #3E40CD #6F70DA #9FA0E6

Accessibility & contrast

On white

7.45

#3E40CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3E40CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40CD

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40CD	#FFFFFF	#000000	##FFFFFF
##3E40CD	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD1

Deuteranopia (green-blind)

#004ECA

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3e40cd;
/* rgb */ color: rgb(62, 64, 205);
/* oklch */ color: oklch(46.8% 0.211 274.0);

Tailwind

colors: {
  custom: {
    50: '#8776dd',
    500: '#3e40cd',
    950: '#000000',
  },
}

SCSS

$custom: #3e40cd;
$custom-light: #8776dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40cd",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 205
  },
  "hsl": {
    "h": 239.161,
    "s": 58.848,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46823,
    "c": 0.21106,
    "h": 274
  },
  "luminance": 0.09099
}

Semantic roles & 50–950 ramp

primary

#3E40CD

secondary

#D3D294

accent

#E046E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3E40CD

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

Preview Lab → · Contrast checker → · Palette generator →