#3C42C7#3C42C7

#3C42C7 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.5% C 0.202 H 273.4°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3C42C7
RGB	rgb(60, 66, 199)
HSL	hsl(237, 55%, 51%)
HSV	hsv(237, 70%, 78%)
CMYK	cmyk(69.8%, 66.8%, 0%, 22%)
CIE-LAB	lab(35.94, 40.89, -69.73)
CIE-LCH	lch(35.94, 80.84, 300.39°)
OKLab	oklab(46.46% 0.0119 -0.2015)
OKLCH	oklch(46.46% 0.202 273.4)
XYZ	xyz(14.1171, 8.9793, 55.0110)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C42C7 #C7C13C

analogous

#3C87C7 #3C42C7 #7B3CC7

triadic

#3C42C7 #C73C42 #42C73C

tetradic

#3C42C7 #C73C87 #C7C13C #3CC77B

square

#3C42C7 #C73C87 #C7C13C #3CC77B

split-complementary

#3C42C7 #C77B3C #87C73C

monochromatic

#1E226A #2C319A #3C42C7 #6C70D5 #9B9EE2

Accessibility & contrast

On white

7.51

#3C42C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3C42C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C42C7

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C42C7	#FFFFFF	#000000	##FFFFFF
##3C42C7	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCB

Deuteranopia (green-blind)

#004EC4

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3c42c7;
/* rgb */ color: rgb(60, 66, 199);
/* oklch */ color: oklch(46.5% 0.202 273.4);

Tailwind

colors: {
  custom: {
    50: '#8477d9',
    500: '#3c42c7',
    950: '#000000',
  },
}

SCSS

$custom: #3c42c7;
$custom-light: #8477d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c42c7",
  "rgb": {
    "r": 60,
    "g": 66,
    "b": 199
  },
  "hsl": {
    "h": 237.41,
    "s": 55.378,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46461,
    "c": 0.20184,
    "h": 273.4
  },
  "luminance": 0.08981
}

Semantic roles & 50–950 ramp

primary

#3C42C7

secondary

#CECC91

accent

#D849DF

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3C42C7

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

Preview Lab → · Contrast checker → · Palette generator →