#3C40BC#3C40BC

#3C40BC is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.190 H 274.3°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3C40BC
RGB	rgb(60, 64, 188)
HSL	hsl(238, 52%, 49%)
HSV	hsv(238, 68%, 74%)
CMYK	cmyk(68.1%, 66%, 0%, 26.3%)
CIE-LAB	lab(34.51, 38.37, -65.64)
CIE-LCH	lch(34.51, 76.03, 300.31°)
OKLab	oklab(45.12% 0.0144 -0.1895)
OKLCH	oklch(45.12% 0.19 274.3)
XYZ	xyz(12.7710, 8.2571, 48.4880)
Luminance	0.0826 (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

#3C40BC #BCB83C

analogous

#3C80BC #3C40BC #783CBC

triadic

#3C40BC #BC3C40 #40BC3C

tetradic

#3C40BC #BC3C80 #BCB83C #3CBC78

square

#3C40BC #BC3C80 #BCB83C #3CBC78

split-complementary

#3C40BC #BC783C #80BC3C

monochromatic

#1E205F #2D308E #3C40BC #676ACE #9597DD

Accessibility & contrast

On white

7.92

#3C40BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3C40BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40BC

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40BC	#FFFFFF	#000000	##FFFFFF
##3C40BC	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3c40bc;
/* rgb */ color: rgb(60, 64, 188);
/* oklch */ color: oklch(45.1% 0.190 274.3);

Tailwind

colors: {
  custom: {
    50: '#8275d1',
    500: '#3c40bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c40bc;
$custom-light: #8275d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40bc",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 238.125,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45121,
    "c": 0.19005,
    "h": 274.3
  },
  "luminance": 0.08258
}

Semantic roles & 50–950 ramp

primary

#3C40BC

secondary

#C9C78B

accent

#D74DDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3C40BC

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

Preview Lab → · Contrast checker → · Palette generator →