#3E43BB#3E43BB

#3E43BB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.185 H 274.5°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3E43BB
RGB	rgb(62, 67, 187)
HSL	hsl(238, 50%, 49%)
HSV	hsv(238, 67%, 73%)
CMYK	cmyk(66.8%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(35.25, 36.44, -63.83)
CIE-LCH	lch(35.25, 73.50, 299.72°)
OKLab	oklab(45.67% 0.0145 -0.1842)
OKLCH	oklch(45.67% 0.185 274.5)
XYZ	xyz(12.9604, 8.6251, 47.9859)
Luminance	0.0863 (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

#3E43BB #BBB63E

analogous

#3E82BB #3E43BB #783EBB

triadic

#3E43BB #BB3E43 #43BB3E

tetradic

#3E43BB #BB3E82 #BBB63E #3EBB78

square

#3E43BB #BB3E82 #BBB63E #3EBB78

split-complementary

#3E43BB #BB783E #82BB3E

monochromatic

#20225F #2F338D #3E43BB #696DCD #979ADC

Accessibility & contrast

On white

7.71

#3E43BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3E43BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E43BB

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E43BB	#FFFFFF	#000000	##FFFFFF
##3E43BB	1.00	7.71	2.73	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e43bb;
/* rgb */ color: rgb(62, 67, 187);
/* oklch */ color: oklch(45.7% 0.185 274.5);

Tailwind

colors: {
  custom: {
    50: '#8377d0',
    500: '#3e43bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e43bb;
$custom-light: #8377d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e43bb",
  "rgb": {
    "r": 62,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 237.6,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45668,
    "c": 0.18473,
    "h": 274.5
  },
  "luminance": 0.08626
}

Semantic roles & 50–950 ramp

primary

#3E43BB

secondary

#C8C68D

accent

#D44EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E43BB

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

Preview Lab → · Contrast checker → · Palette generator →