#3E66DB#3E66DB

#3E66DB is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.8% C 0.185 H 266.1°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3E66DB
RGB	rgb(62, 102, 219)
HSL	hsl(225, 69%, 55%)
HSV	hsv(225, 72%, 86%)
CMYK	cmyk(71.7%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(46.50, 25.61, -64.03)
CIE-LCH	lch(46.50, 68.96, 291.80°)
OKLab	oklab(54.81% -0.0124 -0.1843)
OKLCH	oklch(54.81% 0.185 266.1)
XYZ	xyz(19.5197, 15.6393, 68.9941)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E66DB #DBB33E

analogous

#3EB5DB #3E66DB #643EDB

triadic

#3E66DB #DB3E66 #66DB3E

tetradic

#3E66DB #DB3EB5 #DBB33E #3EDB64

square

#3E66DB #DB3EB5 #DBB33E #3EDB64

split-complementary

#3E66DB #DB643E #B5DB3E

monochromatic

#193586 #2349B9 #3E66DB #728FE5 #A5B8EE

Accessibility & contrast

On white

5.09

#3E66DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3E66DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E66DB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E66DB	#FFFFFF	#000000	##FFFFFF
##3E66DB	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0776DF

Deuteranopia (green-blind)

#0067D9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3e66db;
/* rgb */ color: rgb(62, 102, 219);
/* oklch */ color: oklch(54.8% 0.185 266.1);

Tailwind

colors: {
  custom: {
    50: '#8791e7',
    500: '#3e66db',
    950: '#000000',
  },
}

SCSS

$custom: #3e66db;
$custom-light: #8791e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e66db",
  "rgb": {
    "r": 62,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 224.713,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.5481,
    "c": 0.18475,
    "h": 266.1
  },
  "luminance": 0.15641
}

Semantic roles & 50–950 ramp

primary

#3E66DB

secondary

#DBCB99

accent

#BF3CEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3E66DB

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

Preview Lab → · Contrast checker → · Palette generator →