#3E51C8#3E51C8

#3E51C8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.3% C 0.185 H 271.0°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3E51C8
RGB	rgb(62, 81, 200)
HSL	hsl(232, 56%, 51%)
HSV	hsv(232, 69%, 78%)
CMYK	cmyk(69%, 59.5%, 0%, 21.6%)
CIE-LAB	lab(39.71, 32.16, -64.15)
CIE-LCH	lch(39.71, 71.76, 296.62°)
OKLab	oklab(49.28% 0.0033 -0.185)
OKLCH	oklch(49.28% 0.185 271)
XYZ	xyz(15.3508, 11.0776, 55.9616)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E51C8 #C8B53E

analogous

#3E96C8 #3E51C8 #703EC8

triadic

#3E51C8 #C83E51 #51C83E

tetradic

#3E51C8 #C83E96 #C8B53E #3EC870

square

#3E51C8 #C83E96 #C8B53E #3EC870

split-complementary

#3E51C8 #C8703E #96C83E

monochromatic

#1F2A6D #2D3C9C #3E51C8 #6E7CD6 #9DA7E3

Accessibility & contrast

On white

6.53

#3E51C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3E51C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E51C8

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E51C8	#FFFFFF	#000000	##FFFFFF
##3E51C8	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CC

Deuteranopia (green-blind)

#0057C6

Tritanopia (blue-blind)

#006F85

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3e51c8;
/* rgb */ color: rgb(62, 81, 200);
/* oklch */ color: oklch(49.3% 0.185 271.0);

Tailwind

colors: {
  custom: {
    50: '#8481da',
    500: '#3e51c8',
    950: '#000000',
  },
}

SCSS

$custom: #3e51c8;
$custom-light: #8481da;
$custom-dark: #000000;

JSON

{
  "hex": "#3e51c8",
  "rgb": {
    "r": 62,
    "g": 81,
    "b": 200
  },
  "hsl": {
    "h": 231.739,
    "s": 55.645,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49283,
    "c": 0.185,
    "h": 271
  },
  "luminance": 0.11079
}

Semantic roles & 50–950 ramp

primary

#3E51C8

secondary

#CFC792

accent

#CA49DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3E51C8

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

Preview Lab → · Contrast checker → · Palette generator →