#3E45BB#3E45BB

#3E45BB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.0% C 0.182 H 274.1°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3E45BB
RGB	rgb(62, 69, 187)
HSL	hsl(237, 50%, 49%)
HSV	hsv(237, 67%, 73%)
CMYK	cmyk(66.8%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(35.73, 35.19, -63.06)
CIE-LCH	lch(35.73, 72.21, 299.16°)
OKLab	oklab(46.02% 0.013 -0.1819)
OKLCH	oklch(46.02% 0.182 274.1)
XYZ	xyz(13.0814, 8.8671, 48.0262)
Luminance	0.0887 (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

#3E45BB #BBB43E

analogous

#3E84BB #3E45BB #763EBB

triadic

#3E45BB #BB3E45 #45BB3E

tetradic

#3E45BB #BB3E84 #BBB43E #3EBB76

square

#3E45BB #BB3E84 #BBB43E #3EBB76

split-complementary

#3E45BB #BB763E #84BB3E

monochromatic

#20235F #2F348D #3E45BB #696FCD #979BDC

Accessibility & contrast

On white

7.57

#3E45BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3E45BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E45BB

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E45BB	#FFFFFF	#000000	##FFFFFF
##3E45BB	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3e45bb;
/* rgb */ color: rgb(62, 69, 187);
/* oklch */ color: oklch(46.0% 0.182 274.1);

Tailwind

colors: {
  custom: {
    50: '#8279d0',
    500: '#3e45bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e45bb;
$custom-light: #8279d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e45bb",
  "rgb": {
    "r": 62,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 236.64,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46016,
    "c": 0.18233,
    "h": 274.1
  },
  "luminance": 0.08868
}

Semantic roles & 50–950 ramp

primary

#3E45BB

secondary

#C8C58D

accent

#D24EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E45BB

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

Preview Lab → · Contrast checker → · Palette generator →