#3C40CC#3C40CC

#3C40CC is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.6% C 0.210 H 273.4°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3C40CC
RGB	rgb(60, 64, 204)
HSL	hsl(238, 59%, 52%)
HSV	hsv(238, 71%, 80%)
CMYK	cmyk(70.6%, 68.6%, 0%, 20%)
CIE-LAB	lab(35.96, 43.78, -72.62)
CIE-LCH	lch(35.96, 84.80, 301.08°)
OKLab	oklab(46.61% 0.0126 -0.2099)
OKLCH	oklch(46.61% 0.21 273.4)
XYZ	xyz(14.5923, 8.9857, 58.0804)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C40CC #CCC83C

analogous

#3C88CC #3C40CC #803CCC

triadic

#3C40CC #CC3C40 #40CC3C

tetradic

#3C40CC #CC3C88 #CCC83C #3CCC80

square

#3C40CC #CC3C88 #CCC83C #3CCC80

split-complementary

#3C40CC #CC803C #88CC3C

monochromatic

#1D2070 #2A2DA1 #3C40CC #6D70D9 #9D9FE5

Accessibility & contrast

On white

7.51

#3C40CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3C40CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40CC

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40CC	#FFFFFF	#000000	##FFFFFF
##3C40CC	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)

#005BD0

Deuteranopia (green-blind)

#004EC9

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3c40cc;
/* rgb */ color: rgb(60, 64, 204);
/* oklch */ color: oklch(46.6% 0.210 273.4);

Tailwind

colors: {
  custom: {
    50: '#8676dd',
    500: '#3c40cc',
    950: '#000000',
  },
}

SCSS

$custom: #3c40cc;
$custom-light: #8676dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40cc",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 238.333,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46608,
    "c": 0.21032,
    "h": 273.4
  },
  "luminance": 0.08987
}

Semantic roles & 50–950 ramp

primary

#3C40CC

secondary

#D1D092

accent

#DD46E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3C40CC

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

Preview Lab → · Contrast checker → · Palette generator →