#3E51CA#3E51CA

#3E51CA is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.4% C 0.188 H 271.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3E51CA
RGB	rgb(62, 81, 202)
HSL	hsl(232, 57%, 52%)
HSV	hsv(232, 69%, 79%)
CMYK	cmyk(69.3%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(39.87, 32.86, -65.05)
CIE-LCH	lch(39.87, 72.88, 296.80°)
OKLab	oklab(49.45% 0.0033 -0.1876)
OKLCH	oklch(49.45% 0.188 271)
XYZ	xyz(15.5861, 11.1717, 57.2006)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E51CA #CAB73E

analogous

#3E97CA #3E51CA #713ECA

triadic

#3E51CA #CA3E51 #51CA3E

tetradic

#3E51CA #CA3E97 #CAB73E #3ECA71

square

#3E51CA #CA3E97 #CAB73E #3ECA71

split-complementary

#3E51CA #CA713E #97CA3E

monochromatic

#1F296F #2C3B9F #3E51CA #6E7CD7 #9EA8E4

Accessibility & contrast

On white

6.49

#3E51CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3E51CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E51CA

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E51CA	#FFFFFF	#000000	##FFFFFF
##3E51CA	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CE

Deuteranopia (green-blind)

#0058C8

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3e51ca;
/* rgb */ color: rgb(62, 81, 202);
/* oklch */ color: oklch(49.4% 0.188 271.0);

Tailwind

colors: {
  custom: {
    50: '#8581db',
    500: '#3e51ca',
    950: '#000000',
  },
}

SCSS

$custom: #3e51ca;
$custom-light: #8581db;
$custom-dark: #000000;

JSON

{
  "hex": "#3e51ca",
  "rgb": {
    "r": 62,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 231.857,
    "s": 56.911,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49449,
    "c": 0.18765,
    "h": 271
  },
  "luminance": 0.11173
}

Semantic roles & 50–950 ramp

primary

#3E51CA

secondary

#D1C893

accent

#CB48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3E51CA

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

Preview Lab → · Contrast checker → · Palette generator →