#3E50B4#3E50B4

#3E50B4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.159 H 271.3°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3E50B4
RGB	rgb(62, 80, 180)
HSL	hsl(231, 49%, 47%)
HSV	hsv(231, 66%, 71%)
CMYK	cmyk(65.6%, 55.6%, 0%, 29.4%)
CIE-LAB	lab(37.94, 25.70, -55.33)
CIE-LCH	lch(37.94, 61.01, 294.92°)
OKLab	oklab(47.49% 0.0037 -0.1591)
OKLCH	oklch(47.49% 0.159 271.3)
XYZ	xyz(13.0907, 10.0556, 44.4222)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E50B4 #B4A23E

analogous

#3E8BB4 #3E50B4 #673EB4

triadic

#3E50B4 #B43E50 #50B43E

tetradic

#3E50B4 #B43E8B #B4A23E #3EB467

square

#3E50B4 #B43E8B #B4A23E #3EB467

split-complementary

#3E50B4 #B4673E #8BB43E

monochromatic

#1F2859 #2E3C86 #3E50B4 #6575CA #939EDA

Accessibility & contrast

On white

6.97

#3E50B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3E50B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E50B4

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E50B4	#FFFFFF	#000000	##FFFFFF
##3E50B4	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB7

Deuteranopia (green-blind)

#0054B2

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3e50b4;
/* rgb */ color: rgb(62, 80, 180);
/* oklch */ color: oklch(47.5% 0.159 271.3);

Tailwind

colors: {
  custom: {
    50: '#8080cb',
    500: '#3e50b4',
    950: '#000000',
  },
}

SCSS

$custom: #3e50b4;
$custom-light: #8080cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3e50b4",
  "rgb": {
    "r": 62,
    "g": 80,
    "b": 180
  },
  "hsl": {
    "h": 230.847,
    "s": 48.76,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47488,
    "c": 0.1591,
    "h": 271.3
  },
  "luminance": 0.10057
}

Semantic roles & 50–950 ramp

primary

#3E50B4

secondary

#C5BC89

accent

#C34FD8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3E50B4

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

Preview Lab → · Contrast checker → · Palette generator →