#3E45B7#3E45B7

#3E45B7 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.7% C 0.177 H 274.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3E45B7
RGB	rgb(62, 69, 183)
HSL	hsl(237, 49%, 48%)
HSV	hsv(237, 66%, 72%)
CMYK	cmyk(66.1%, 62.3%, 0%, 28.2%)
CIE-LAB	lab(35.40, 33.81, -61.24)
CIE-LCH	lch(35.40, 69.95, 298.90°)
OKLab	oklab(45.67% 0.0132 -0.1765)
OKLCH	oklch(45.67% 0.177 274.3)
XYZ	xyz(12.6591, 8.6982, 45.8024)
Luminance	0.0870 (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

#3E45B7 #B7B03E

analogous

#3E81B7 #3E45B7 #733EB7

triadic

#3E45B7 #B73E45 #45B73E

tetradic

#3E45B7 #B73E81 #B7B03E #3EB773

square

#3E45B7 #B73E81 #B7B03E #3EB773

split-complementary

#3E45B7 #B7733E #81B73E

monochromatic

#1F235C #2F3489 #3E45B7 #676DCB #9499DB

Accessibility & contrast

On white

7.66

#3E45B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3E45B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E45B7

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E45B7	#FFFFFF	#000000	##FFFFFF
##3E45B7	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BB

Deuteranopia (green-blind)

#004EB5

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e45b7;
/* rgb */ color: rgb(62, 69, 183);
/* oklch */ color: oklch(45.7% 0.177 274.3);

Tailwind

colors: {
  custom: {
    50: '#8279ce',
    500: '#3e45b7',
    950: '#000000',
  },
}

SCSS

$custom: #3e45b7;
$custom-light: #8279ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3e45b7",
  "rgb": {
    "r": 62,
    "g": 69,
    "b": 183
  },
  "hsl": {
    "h": 236.529,
    "s": 49.388,
    "l": 48.039
  },
  "oklch": {
    "l": 0.4567,
    "c": 0.17703,
    "h": 274.3
  },
  "luminance": 0.08699
}

Semantic roles & 50–950 ramp

primary

#3E45B7

secondary

#C6C38A

accent

#D14FD9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E45B7

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

Preview Lab → · Contrast checker → · Palette generator →