#3C51D3#3C51D3

#3C51D3 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 50.1% C 0.200 H 270.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3C51D3
RGB	rgb(60, 81, 211)
HSL	hsl(232, 63%, 53%)
HSV	hsv(232, 72%, 83%)
CMYK	cmyk(71.6%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(40.49, 35.78, -69.24)
CIE-LCH	lch(40.49, 77.94, 297.33°)
OKLab	oklab(50.1% 0.0011 -0.2)
OKLCH	oklch(50.1% 0.2 270.3)
XYZ	xyz(16.5598, 11.5470, 62.9715)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C51D3 #D3BE3C

analogous

#3C9CD3 #3C51D3 #733CD3

triadic

#3C51D3 #D33C51 #51D33C

tetradic

#3C51D3 #D33C9C #D3BE3C #3CD373

square

#3C51D3 #D33C9C #D3BE3C #3CD373

split-complementary

#3C51D3 #D3733C #9CD33C

monochromatic

#1B2879 #2739AB #3C51D3 #6E7EDE #A0AAEA

Accessibility & contrast

On white

6.34

#3C51D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3C51D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C51D3

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C51D3	#FFFFFF	#000000	##FFFFFF
##3C51D3	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#0059D0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3c51d3;
/* rgb */ color: rgb(60, 81, 211);
/* oklch */ color: oklch(50.1% 0.200 270.3);

Tailwind

colors: {
  custom: {
    50: '#8681e2',
    500: '#3c51d3',
    950: '#000000',
  },
}

SCSS

$custom: #3c51d3;
$custom-light: #8681e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3c51d3",
  "rgb": {
    "r": 60,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 231.656,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50103,
    "c": 0.19996,
    "h": 270.3
  },
  "luminance": 0.11549
}

Semantic roles & 50–950 ramp

primary

#3C51D3

secondary

#D6CD95

accent

#CF42E6

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #3C51D3

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

Preview Lab → · Contrast checker → · Palette generator →