#3E50BB#3E50BB

#3E50BB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.0% C 0.169 H 271.3°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#3E50BB
RGB	rgb(62, 80, 187)
HSL	hsl(231, 50%, 49%)
HSV	hsv(231, 67%, 73%)
CMYK	cmyk(66.8%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(38.46, 28.19, -58.61)
CIE-LCH	lch(38.46, 65.04, 295.69°)
OKLab	oklab(48.04% 0.004 -0.1687)
OKLCH	oklch(48.04% 0.169 271.3)
XYZ	xyz(13.8219, 10.3480, 48.2730)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E50BB #BBA93E

analogous

#3E8FBB #3E50BB #6B3EBB

triadic

#3E50BB #BB3E50 #50BB3E

tetradic

#3E50BB #BB3E8F #BBA93E #3EBB6B

square

#3E50BB #BB3E8F #BBA93E #3EBB6B

split-complementary

#3E50BB #BB6B3E #8FBB3E

monochromatic

#20295F #2F3C8D #3E50BB #6977CD #97A1DC

Accessibility & contrast

On white

6.84

#3E50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3E50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E50BB

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E50BB	#FFFFFF	#000000	##FFFFFF
##3E50BB	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3e50bb;
/* rgb */ color: rgb(62, 80, 187);
/* oklch */ color: oklch(48.0% 0.169 271.3);

Tailwind

colors: {
  custom: {
    50: '#8280d0',
    500: '#3e50bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e50bb;
$custom-light: #8280d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e50bb",
  "rgb": {
    "r": 62,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 231.36,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48039,
    "c": 0.16874,
    "h": 271.3
  },
  "luminance": 0.10349
}

Semantic roles & 50–950 ramp

primary

#3E50BB

secondary

#C8C08D

accent

#C64EDA

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3E50BB

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

Preview Lab → · Contrast checker → · Palette generator →