#3C51D2#3C51D2

#3C51D2 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 50.0% C 0.199 H 270.3°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3C51D2
RGB	rgb(60, 81, 210)
HSL	hsl(232, 63%, 53%)
HSV	hsv(232, 71%, 82%)
CMYK	cmyk(71.4%, 61.4%, 0%, 17.6%)
CIE-LAB	lab(40.41, 35.43, -68.80)
CIE-LCH	lch(40.41, 77.39, 297.25°)
OKLab	oklab(50.02% 0.0011 -0.1987)
OKLCH	oklch(50.02% 0.199 270.3)
XYZ	xyz(16.4348, 11.4970, 62.3133)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C51D2 #D2BD3C

analogous

#3C9CD2 #3C51D2 #723CD2

triadic

#3C51D2 #D23C51 #51D23C

tetradic

#3C51D2 #D23C9C #D2BD3C #3CD272

square

#3C51D2 #D23C9C #D2BD3C #3CD272

split-complementary

#3C51D2 #D2723C #9CD23C

monochromatic

#1C2978 #2739AA #3C51D2 #6E7DDD #9FAAE9

Accessibility & contrast

On white

6.36

#3C51D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3C51D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C51D2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C51D2	#FFFFFF	#000000	##FFFFFF
##3C51D2	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D6

Deuteranopia (green-blind)

#0058D0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3c51d2;
/* rgb */ color: rgb(60, 81, 210);
/* oklch */ color: oklch(50.0% 0.199 270.3);

Tailwind

colors: {
  custom: {
    50: '#8681e1',
    500: '#3c51d2',
    950: '#000000',
  },
}

SCSS

$custom: #3c51d2;
$custom-light: #8681e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c51d2",
  "rgb": {
    "r": 60,
    "g": 81,
    "b": 210
  },
  "hsl": {
    "h": 231.6,
    "s": 62.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50017,
    "c": 0.19866,
    "h": 270.3
  },
  "luminance": 0.11499
}

Semantic roles & 50–950 ramp

primary

#3C51D2

secondary

#D5CC94

accent

#CF42E6

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #3C51D2

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

Preview Lab → · Contrast checker → · Palette generator →