#3E66D9#3E66D9

#3E66D9 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.7% C 0.182 H 266.0°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3E66D9
RGB	rgb(62, 102, 217)
HSL	hsl(225, 67%, 55%)
HSV	hsv(225, 71%, 85%)
CMYK	cmyk(71.4%, 53%, 0%, 14.9%)
CIE-LAB	lab(46.36, 24.89, -63.12)
CIE-LCH	lch(46.36, 67.85, 291.52°)
OKLab	oklab(54.66% -0.0126 -0.1816)
OKLCH	oklch(54.66% 0.182 266)
XYZ	xyz(19.2580, 15.5346, 67.6157)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66D9 #D9B13E

analogous

#3EB4D9 #3E66D9 #633ED9

triadic

#3E66D9 #D93E66 #66D93E

tetradic

#3E66D9 #D93EB4 #D9B13E #3ED963

square

#3E66D9 #D93EB4 #D9B13E #3ED963

split-complementary

#3E66D9 #D9633E #B4D93E

monochromatic

#1A3583 #244AB6 #3E66D9 #718FE3 #A4B7ED

Accessibility & contrast

On white

5.11

#3E66D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3E66D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66D9

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66D9	#FFFFFF	#000000	##FFFFFF
##3E66D9	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1075DD

Deuteranopia (green-blind)

#0067D7

Tritanopia (blue-blind)

#008296

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3e66d9;
/* rgb */ color: rgb(62, 102, 217);
/* oklch */ color: oklch(54.7% 0.182 266.0);

Tailwind

colors: {
  custom: {
    50: '#8691e5',
    500: '#3e66d9',
    950: '#000000',
  },
}

SCSS

$custom: #3e66d9;
$custom-light: #8691e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66d9",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 217
  },
  "hsl": {
    "h": 224.516,
    "s": 67.1,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5466,
    "c": 0.18209,
    "h": 266
  },
  "luminance": 0.15537
}

Semantic roles & 50–950 ramp

primary

#3E66D9

secondary

#DAC999

accent

#BE3EEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3E66D9

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

Preview Lab → · Contrast checker → · Palette generator →