#3E42BB#3E42BB

#3E42BB is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.186 H 274.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3E42BB
RGB	rgb(62, 66, 187)
HSL	hsl(238, 50%, 49%)
HSV	hsv(238, 67%, 73%)
CMYK	cmyk(66.8%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(35.02, 37.06, -64.22)
CIE-LCH	lch(35.02, 74.14, 299.99°)
OKLab	oklab(45.5% 0.0153 -0.1853)
OKLCH	oklch(45.5% 0.186 274.7)
XYZ	xyz(12.9015, 8.5073, 47.9662)
Luminance	0.0851 (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

#3E42BB #BBB73E

analogous

#3E81BB #3E42BB #793EBB

triadic

#3E42BB #BB3E42 #42BB3E

tetradic

#3E42BB #BB3E81 #BBB73E #3EBB79

square

#3E42BB #BB3E81 #BBB73E #3EBB79

split-complementary

#3E42BB #BB793E #81BB3E

monochromatic

#20225F #2F328D #3E42BB #696CCD #9799DC

Accessibility & contrast

On white

7.77

#3E42BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3E42BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E42BB

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E42BB	#FFFFFF	#000000	##FFFFFF
##3E42BB	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3e42bb;
/* rgb */ color: rgb(62, 66, 187);
/* oklch */ color: oklch(45.5% 0.186 274.7);

Tailwind

colors: {
  custom: {
    50: '#8377d0',
    500: '#3e42bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e42bb;
$custom-light: #8377d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e42bb",
  "rgb": {
    "r": 62,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 238.08,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45496,
    "c": 0.18592,
    "h": 274.7
  },
  "luminance": 0.08508
}

Semantic roles & 50–950 ramp

primary

#3E42BB

secondary

#C8C68D

accent

#D54EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3E42BB

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

Preview Lab → · Contrast checker → · Palette generator →