#3E42BA#3E42BA

#3E42BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.4% C 0.185 H 274.8°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#3E42BA
RGB	rgb(62, 66, 186)
HSL	hsl(238, 50%, 49%)
HSV	hsv(238, 67%, 73%)
CMYK	cmyk(66.7%, 64.5%, 0%, 27.1%)
CIE-LAB	lab(34.93, 36.72, -63.77)
CIE-LCH	lch(34.93, 73.58, 299.93°)
OKLab	oklab(45.41% 0.0154 -0.184)
OKLCH	oklch(45.41% 0.185 274.8)
XYZ	xyz(12.7948, 8.4646, 47.4044)
Luminance	0.0847 (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

#3E42BA #BAB63E

analogous

#3E80BA #3E42BA #783EBA

triadic

#3E42BA #BA3E42 #42BA3E

tetradic

#3E42BA #BA3E80 #BAB63E #3EBA78

square

#3E42BA #BA3E80 #BAB63E #3EBA78

split-complementary

#3E42BA #BA783E #80BA3E

monochromatic

#1F215E #2F328C #3E42BA #686CCD #9699DC

Accessibility & contrast

On white

7.80

#3E42BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3E42BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E42BA

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E42BA	#FFFFFF	#000000	##FFFFFF
##3E42BA	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3e42ba;
/* rgb */ color: rgb(62, 66, 186);
/* oklch */ color: oklch(45.4% 0.185 274.8);

Tailwind

colors: {
  custom: {
    50: '#8377d0',
    500: '#3e42ba',
    950: '#000000',
  },
}

SCSS

$custom: #3e42ba;
$custom-light: #8377d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e42ba",
  "rgb": {
    "r": 62,
    "g": 66,
    "b": 186
  },
  "hsl": {
    "h": 238.065,
    "s": 50,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45408,
    "c": 0.18461,
    "h": 274.8
  },
  "luminance": 0.08466
}

Semantic roles & 50–950 ramp

primary

#3E42BA

secondary

#C8C68C

accent

#D54EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3E42BA

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

Preview Lab → · Contrast checker → · Palette generator →