#3E40CC#3E40CC

#3E40CC is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.210 H 274.1°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#3E40CC
RGB	rgb(62, 64, 204)
HSL	hsl(239, 58%, 52%)
HSV	hsv(239, 70%, 80%)
CMYK	cmyk(69.6%, 68.6%, 0%, 20%)
CIE-LAB	lab(36.08, 44.00, -72.42)
CIE-LCH	lch(36.08, 84.74, 301.29°)
OKLab	oklab(46.73% 0.0149 -0.2093)
OKLCH	oklch(46.73% 0.21 274.1)
XYZ	xyz(14.7155, 9.0492, 58.0862)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.94

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E40CC #CCCA3E

analogous

#3E87CC #3E40CC #833ECC

triadic

#3E40CC #CC3E40 #40CC3E

tetradic

#3E40CC #CC3E87 #CCCA3E #3ECC83

square

#3E40CC #CC3E87 #CCCA3E #3ECC83

split-complementary

#3E40CC #CC833E #87CC3E

monochromatic

#1E1F72 #2B2CA2 #3E40CC #6E70D9 #9FA0E6

Accessibility & contrast

On white

7.47

#3E40CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3E40CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40CC

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40CC	#FFFFFF	#000000	##FFFFFF
##3E40CC	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD0

Deuteranopia (green-blind)

#004EC9

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3e40cc;
/* rgb */ color: rgb(62, 64, 204);
/* oklch */ color: oklch(46.7% 0.210 274.1);

Tailwind

colors: {
  custom: {
    50: '#8676dd',
    500: '#3e40cc',
    950: '#000000',
  },
}

SCSS

$custom: #3e40cc;
$custom-light: #8676dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40cc",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 239.155,
    "s": 58.197,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46729,
    "c": 0.20982,
    "h": 274.1
  },
  "luminance": 0.09051
}

Semantic roles & 50–950 ramp

primary

#3E40CC

secondary

#D2D194

accent

#DF46E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3E40CC

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

Preview Lab → · Contrast checker → · Palette generator →