#3E40C2#3E40C2

#3E40C2 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.8% C 0.197 H 274.7°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3E40C2
RGB	rgb(62, 64, 194)
HSL	hsl(239, 52%, 50%)
HSV	hsv(239, 68%, 76%)
CMYK	cmyk(68%, 67%, 0%, 23.9%)
CIE-LAB	lab(35.17, 40.66, -68.07)
CIE-LCH	lch(35.17, 79.29, 300.85°)
OKLab	oklab(45.8% 0.0161 -0.1966)
OKLCH	oklch(45.8% 0.197 274.7)
XYZ	xyz(13.5544, 8.5847, 51.9712)
Luminance	0.0859 (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

#3E40C2 #C2C03E

analogous

#3E82C2 #3E40C2 #7E3EC2

triadic

#3E40C2 #C23E40 #40C23E

tetradic

#3E40C2 #C23E82 #C2C03E #3EC27E

square

#3E40C2 #C23E82 #C2C03E #3EC27E

split-complementary

#3E40C2 #C27E3E #82C23E

monochromatic

#202166 #2F3094 #3E40C2 #6D6ED1 #9B9CDF

Accessibility & contrast

On white

7.73

#3E40C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3E40C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40C2

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40C2	#FFFFFF	#000000	##FFFFFF
##3E40C2	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C6

Deuteranopia (green-blind)

#004DC0

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e40c2;
/* rgb */ color: rgb(62, 64, 194);
/* oklch */ color: oklch(45.8% 0.197 274.7);

Tailwind

colors: {
  custom: {
    50: '#8475d6',
    500: '#3e40c2',
    950: '#000000',
  },
}

SCSS

$custom: #3e40c2;
$custom-light: #8475d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40c2",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 194
  },
  "hsl": {
    "h": 239.091,
    "s": 51.969,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45797,
    "c": 0.19725,
    "h": 274.7
  },
  "luminance": 0.08586
}

Semantic roles & 50–950 ramp

primary

#3E40C2

secondary

#CBCB90

accent

#D94CDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3E40C2

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

Preview Lab → · Contrast checker → · Palette generator →