#3E45B9#3E45B9

#3E45B9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.180 H 274.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#3E45B9
RGB	rgb(62, 69, 185)
HSL	hsl(237, 50%, 48%)
HSV	hsv(237, 66%, 73%)
CMYK	cmyk(66.5%, 62.7%, 0%, 27.5%)
CIE-LAB	lab(35.56, 34.50, -62.15)
CIE-LCH	lch(35.56, 71.08, 299.03°)
OKLab	oklab(45.84% 0.0131 -0.1792)
OKLCH	oklch(45.84% 0.18 274.2)
XYZ	xyz(12.8688, 8.7820, 46.9065)
Luminance	0.0878 (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

#3E45B9 #B9B23E

analogous

#3E82B9 #3E45B9 #743EB9

triadic

#3E45B9 #B93E45 #45B93E

tetradic

#3E45B9 #B93E82 #B9B23E #3EB974

square

#3E45B9 #B93E82 #B9B23E #3EB974

split-complementary

#3E45B9 #B9743E #82B93E

monochromatic

#1F235D #2F348B #3E45B9 #686ECC #969ADC

Accessibility & contrast

On white

7.62

#3E45B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3E45B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E45B9

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E45B9	#FFFFFF	#000000	##FFFFFF
##3E45B9	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3e45b9;
/* rgb */ color: rgb(62, 69, 185);
/* oklch */ color: oklch(45.8% 0.180 274.2);

Tailwind

colors: {
  custom: {
    50: '#8279cf',
    500: '#3e45b9',
    950: '#000000',
  },
}

SCSS

$custom: #3e45b9;
$custom-light: #8279cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3e45b9",
  "rgb": {
    "r": 62,
    "g": 69,
    "b": 185
  },
  "hsl": {
    "h": 236.585,
    "s": 49.798,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45842,
    "c": 0.17969,
    "h": 274.2
  },
  "luminance": 0.08783
}

Semantic roles & 50–950 ramp

primary

#3E45B9

secondary

#C7C48C

accent

#D14ED9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E45B9

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

Preview Lab → · Contrast checker → · Palette generator →