#3E50B9#3E50B9

#3E50B9 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.166 H 271.3°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3E50B9
RGB	rgb(62, 80, 185)
HSL	hsl(231, 50%, 48%)
HSV	hsv(231, 66%, 73%)
CMYK	cmyk(66.5%, 56.8%, 0%, 27.5%)
CIE-LAB	lab(38.31, 27.48, -57.68)
CIE-LCH	lch(38.31, 63.89, 295.48°)
OKLab	oklab(47.88% 0.0039 -0.1659)
OKLCH	oklch(47.88% 0.166 271.3)
XYZ	xyz(13.6093, 10.2630, 47.1533)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E50B9 #B9A73E

analogous

#3E8DB9 #3E50B9 #6A3EB9

triadic

#3E50B9 #B93E50 #50B93E

tetradic

#3E50B9 #B93E8D #B9A73E #3EB96A

square

#3E50B9 #B93E8D #B9A73E #3EB96A

split-complementary

#3E50B9 #B96A3E #8DB93E

monochromatic

#1F285D #2F3C8B #3E50B9 #6877CC #96A0DC

Accessibility & contrast

On white

6.88

#3E50B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3E50B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E50B9

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E50B9	#FFFFFF	#000000	##FFFFFF
##3E50B9	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BD

Deuteranopia (green-blind)

#0055B7

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3e50b9;
/* rgb */ color: rgb(62, 80, 185);
/* oklch */ color: oklch(47.9% 0.166 271.3);

Tailwind

colors: {
  custom: {
    50: '#8180cf',
    500: '#3e50b9',
    950: '#000000',
  },
}

SCSS

$custom: #3e50b9;
$custom-light: #8180cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3e50b9",
  "rgb": {
    "r": 62,
    "g": 80,
    "b": 185
  },
  "hsl": {
    "h": 231.22,
    "s": 49.798,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4788,
    "c": 0.166,
    "h": 271.3
  },
  "luminance": 0.10264
}

Semantic roles & 50–950 ramp

primary

#3E50B9

secondary

#C7BF8C

accent

#C54ED9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3E50B9

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

Preview Lab → · Contrast checker → · Palette generator →