#3E66CE#3E66CE

#3E66CE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.167 H 265.3°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3E66CE
RGB	rgb(62, 102, 206)
HSL	hsl(223, 60%, 53%)
HSV	hsv(223, 70%, 81%)
CMYK	cmyk(69.9%, 50.5%, 0%, 19.2%)
CIE-LAB	lab(45.61, 20.91, -58.05)
CIE-LCH	lch(45.61, 61.70, 289.81°)
OKLab	oklab(53.85% -0.0136 -0.1667)
OKLCH	oklch(53.85% 0.167 265.3)
XYZ	xyz(17.8747, 14.9813, 60.3302)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66CE #CEA63E

analogous

#3EAECE #3E66CE #5E3ECE

triadic

#3E66CE #CE3E66 #66CE3E

tetradic

#3E66CE #CE3EAE #CEA63E #3ECE5E

square

#3E66CE #CE3EAE #CEA63E #3ECE5E

split-complementary

#3E66CE #CE5E3E #AECE3E

monochromatic

#1D3674 #2A4CA5 #3E66CE #6F8DDA #A0B3E7

Accessibility & contrast

On white

5.25

#3E66CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3E66CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66CE

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66CE	#FFFFFF	#000000	##FFFFFF
##3E66CE	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2773D2

Deuteranopia (green-blind)

#0066CC

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3e66ce;
/* rgb */ color: rgb(62, 102, 206);
/* oklch */ color: oklch(53.9% 0.167 265.3);

Tailwind

colors: {
  custom: {
    50: '#8491de',
    500: '#3e66ce',
    950: '#000000',
  },
}

SCSS

$custom: #3e66ce;
$custom-light: #8491de;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66ce",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 223.333,
    "s": 59.504,
    "l": 52.549
  },
  "oklch": {
    "l": 0.53853,
    "c": 0.16729,
    "h": 265.3
  },
  "luminance": 0.14983
}

Semantic roles & 50–950 ramp

primary

#3E66CE

secondary

#D3C295

accent

#B745E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3E66CE

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

Preview Lab → · Contrast checker → · Palette generator →