#3E40C3#3E40C3

#3E40C3 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.9% C 0.199 H 274.6°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3E40C3
RGB	rgb(62, 64, 195)
HSL	hsl(239, 53%, 50%)
HSV	hsv(239, 68%, 76%)
CMYK	cmyk(68.2%, 67.2%, 0%, 23.5%)
CIE-LAB	lab(35.26, 40.99, -68.51)
CIE-LCH	lch(35.26, 79.84, 300.89°)
OKLab	oklab(45.89% 0.016 -0.1979)
OKLCH	oklch(45.89% 0.199 274.6)
XYZ	xyz(13.6671, 8.6298, 52.5646)
Luminance	0.0863 (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

#3E40C3 #C3C13E

analogous

#3E82C3 #3E40C3 #7F3EC3

triadic

#3E40C3 #C33E40 #40C33E

tetradic

#3E40C3 #C33E82 #C3C13E #3EC37F

square

#3E40C3 #C33E82 #C3C13E #3EC37F

split-complementary

#3E40C3 #C37F3E #82C33E

monochromatic

#202167 #2E3095 #3E40C3 #6D6ED2 #9B9CE0

Accessibility & contrast

On white

7.70

#3E40C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3E40C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40C3

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40C3	#FFFFFF	#000000	##FFFFFF
##3E40C3	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C7

Deuteranopia (green-blind)

#004DC1

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e40c3;
/* rgb */ color: rgb(62, 64, 195);
/* oklch */ color: oklch(45.9% 0.199 274.6);

Tailwind

colors: {
  custom: {
    50: '#8575d6',
    500: '#3e40c3',
    950: '#000000',
  },
}

SCSS

$custom: #3e40c3;
$custom-light: #8575d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40c3",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 195
  },
  "hsl": {
    "h": 239.098,
    "s": 52.569,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45889,
    "c": 0.19852,
    "h": 274.6
  },
  "luminance": 0.08631
}

Semantic roles & 50–950 ramp

primary

#3E40C3

secondary

#CCCB91

accent

#DA4CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3E40C3

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

Preview Lab → · Contrast checker → · Palette generator →