#3E45B8#3E45B8

#3E45B8 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.8% C 0.178 H 274.2°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3E45B8
RGB	rgb(62, 69, 184)
HSL	hsl(237, 50%, 48%)
HSV	hsv(237, 66%, 72%)
CMYK	cmyk(66.3%, 62.5%, 0%, 27.8%)
CIE-LAB	lab(35.48, 34.15, -61.70)
CIE-LCH	lch(35.48, 70.52, 298.97°)
OKLab	oklab(45.76% 0.0132 -0.1779)
OKLCH	oklch(45.76% 0.178 274.2)
XYZ	xyz(12.7636, 8.7399, 46.3525)
Luminance	0.0874 (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

#3E45B8 #B8B13E

analogous

#3E82B8 #3E45B8 #743EB8

triadic

#3E45B8 #B83E45 #45B83E

tetradic

#3E45B8 #B83E82 #B8B13E #3EB874

square

#3E45B8 #B83E82 #B8B13E #3EB874

split-complementary

#3E45B8 #B8743E #82B83E

monochromatic

#1F235C #2F348A #3E45B8 #676DCC #9599DB

Accessibility & contrast

On white

7.64

#3E45B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3E45B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E45B8

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E45B8	#FFFFFF	#000000	##FFFFFF
##3E45B8	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e45b8;
/* rgb */ color: rgb(62, 69, 184);
/* oklch */ color: oklch(45.8% 0.178 274.2);

Tailwind

colors: {
  custom: {
    50: '#8279ce',
    500: '#3e45b8',
    950: '#000000',
  },
}

SCSS

$custom: #3e45b8;
$custom-light: #8279ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3e45b8",
  "rgb": {
    "r": 62,
    "g": 69,
    "b": 184
  },
  "hsl": {
    "h": 236.557,
    "s": 49.593,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45756,
    "c": 0.17837,
    "h": 274.2
  },
  "luminance": 0.08741
}

Semantic roles & 50–950 ramp

primary

#3E45B8

secondary

#C7C38B

accent

#D14FD9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E45B8

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

Preview Lab → · Contrast checker → · Palette generator →