#3E51C2#3E51C2

#3E51C2 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.8% C 0.177 H 271.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3E51C2
RGB	rgb(62, 81, 194)
HSL	hsl(231, 52%, 50%)
HSV	hsv(231, 68%, 76%)
CMYK	cmyk(68%, 58.2%, 0%, 23.9%)
CIE-LAB	lab(39.25, 30.04, -61.42)
CIE-LCH	lch(39.25, 68.37, 296.06°)
OKLab	oklab(48.79% 0.0032 -0.1769)
OKLCH	oklch(48.79% 0.177 271)
XYZ	xyz(14.6633, 10.8026, 52.3408)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E51C2 #C2AF3E

analogous

#3E93C2 #3E51C2 #6D3EC2

triadic

#3E51C2 #C23E51 #51C23E

tetradic

#3E51C2 #C23E93 #C2AF3E #3EC26D

square

#3E51C2 #C23E93 #C2AF3E #3EC26D

split-complementary

#3E51C2 #C26D3E #93C23E

monochromatic

#202A66 #2F3D94 #3E51C2 #6D7BD1 #9BA5DF

Accessibility & contrast

On white

6.64

#3E51C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3E51C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E51C2

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E51C2	#FFFFFF	#000000	##FFFFFF
##3E51C2	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C6

Deuteranopia (green-blind)

#0057C0

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3e51c2;
/* rgb */ color: rgb(62, 81, 194);
/* oklch */ color: oklch(48.8% 0.177 271.0);

Tailwind

colors: {
  custom: {
    50: '#8381d5',
    500: '#3e51c2',
    950: '#000000',
  },
}

SCSS

$custom: #3e51c2;
$custom-light: #8381d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3e51c2",
  "rgb": {
    "r": 62,
    "g": 81,
    "b": 194
  },
  "hsl": {
    "h": 231.364,
    "s": 51.969,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48792,
    "c": 0.17698,
    "h": 271
  },
  "luminance": 0.10804
}

Semantic roles & 50–950 ramp

primary

#3E51C2

secondary

#CBC390

accent

#C74CDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3E51C2

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

Preview Lab → · Contrast checker → · Palette generator →