#3C51BE#3C51BE

#3C51BE is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.4% C 0.172 H 270.4°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3C51BE
RGB	rgb(60, 81, 190)
HSL	hsl(230, 52%, 49%)
HSV	hsv(230, 68%, 75%)
CMYK	cmyk(68.4%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(38.83, 28.32, -59.76)
CIE-LCH	lch(38.83, 66.13, 295.35°)
OKLab	oklab(48.36% 0.0011 -0.1721)
OKLCH	oklch(48.36% 0.172 270.4)
XYZ	xyz(14.0970, 10.5619, 50.0009)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C51BE #BEA93C

analogous

#3C92BE #3C51BE #683CBE

triadic

#3C51BE #BE3C51 #51BE3C

tetradic

#3C51BE #BE3C92 #BEA93C #3CBE68

square

#3C51BE #BE3C92 #BEA93C #3CBE68

split-complementary

#3C51BE #BE683C #92BE3C

monochromatic

#1F2961 #2D3D8F #3C51BE #6879CF #96A2DE

Accessibility & contrast

On white

6.75

#3C51BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3C51BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C51BE

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C51BE	#FFFFFF	#000000	##FFFFFF
##3C51BE	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C2

Deuteranopia (green-blind)

#0056BC

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3c51be;
/* rgb */ color: rgb(60, 81, 190);
/* oklch */ color: oklch(48.4% 0.172 270.4);

Tailwind

colors: {
  custom: {
    50: '#8181d2',
    500: '#3c51be',
    950: '#000000',
  },
}

SCSS

$custom: #3c51be;
$custom-light: #8181d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3c51be",
  "rgb": {
    "r": 60,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 230.308,
    "s": 52,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48358,
    "c": 0.17212,
    "h": 270.4
  },
  "luminance": 0.10563
}

Semantic roles & 50–950 ramp

primary

#3C51BE

secondary

#CAC08C

accent

#C44CDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3C51BE

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

Preview Lab → · Contrast checker → · Palette generator →