#3C40C7#3C40C7

#3C40C7 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.1% C 0.204 H 273.7°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3C40C7
RGB	rgb(60, 64, 199)
HSL	hsl(238, 55%, 51%)
HSV	hsv(238, 70%, 78%)
CMYK	cmyk(69.8%, 67.8%, 0%, 22%)
CIE-LAB	lab(35.50, 42.10, -70.47)
CIE-LCH	lch(35.50, 82.08, 300.86°)
OKLab	oklab(46.14% 0.0132 -0.2036)
OKLCH	oklch(46.14% 0.204 273.7)
XYZ	xyz(14.0022, 8.7496, 54.9727)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C40C7 #C7C33C

analogous

#3C86C7 #3C40C7 #7D3CC7

triadic

#3C40C7 #C73C40 #40C73C

tetradic

#3C40C7 #C73C86 #C7C33C #3CC77D

square

#3C40C7 #C73C86 #C7C33C #3CC77D

split-complementary

#3C40C7 #C77D3C #86C73C

monochromatic

#1E216A #2C2F9A #3C40C7 #6C6FD5 #9B9DE2

Accessibility & contrast

On white

7.64

#3C40C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3C40C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40C7

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40C7	#FFFFFF	#000000	##FFFFFF
##3C40C7	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACB

Deuteranopia (green-blind)

#004DC4

Tritanopia (blue-blind)

#00647E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3c40c7;
/* rgb */ color: rgb(60, 64, 199);
/* oklch */ color: oklch(46.1% 0.204 273.7);

Tailwind

colors: {
  custom: {
    50: '#8575d9',
    500: '#3c40c7',
    950: '#000000',
  },
}

SCSS

$custom: #3c40c7;
$custom-light: #8575d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40c7",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 199
  },
  "hsl": {
    "h": 238.273,
    "s": 55.378,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46137,
    "c": 0.20407,
    "h": 273.7
  },
  "luminance": 0.08751
}

Semantic roles & 50–950 ramp

primary

#3C40C7

secondary

#CECC91

accent

#DA49DF

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3C40C7

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

Preview Lab → · Contrast checker → · Palette generator →