#3E66E3#3E66E3

#3E66E3 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.195 H 266.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3E66E3
RGB	rgb(62, 102, 227)
HSL	hsl(225, 75%, 57%)
HSV	hsv(225, 73%, 89%)
CMYK	cmyk(72.7%, 55.1%, 0%, 11%)
CIE-LAB	lab(47.07, 28.49, -67.64)
CIE-LCH	lch(47.07, 73.39, 292.84°)
OKLab	oklab(55.42% -0.0119 -0.1949)
OKLCH	oklch(55.42% 0.195 266.5)
XYZ	xyz(20.5983, 16.0707, 74.6745)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66E3 #E3BB3E

analogous

#3EB8E3 #3E66E3 #693EE3

triadic

#3E66E3 #E33E66 #66E33E

tetradic

#3E66E3 #E33EB8 #E3BB3E #3EE369

square

#3E66E3 #E33EB8 #E3BB3E #3EE369

split-complementary

#3E66E3 #E3693E #B8E33E

monochromatic

#153391 #1D46C7 #3E66E3 #7390EB #A9BBF3

Accessibility & contrast

On white

4.98

#3E66E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#3E66E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66E3

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66E3	#FFFFFF	#000000	##FFFFFF
##3E66E3	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E7

Deuteranopia (green-blind)

#0068E1

Tritanopia (blue-blind)

#00859B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3e66e3;
/* rgb */ color: rgb(62, 102, 227);
/* oklch */ color: oklch(55.4% 0.195 266.5);

Tailwind

colors: {
  custom: {
    50: '#8991ed',
    500: '#3e66e3',
    950: '#000000',
  },
}

SCSS

$custom: #3e66e3;
$custom-light: #8991ed;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66e3",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 227
  },
  "hsl": {
    "h": 225.455,
    "s": 74.661,
    "l": 56.667
  },
  "oklch": {
    "l": 0.55419,
    "c": 0.1953,
    "h": 266.5
  },
  "luminance": 0.16073
}

Semantic roles & 50–950 ramp

primary

#3E66E3

secondary

#E0D09D

accent

#C437F1

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3E66E3

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

Preview Lab → · Contrast checker → · Palette generator →