#3C48BB#3C48BB

#3C48BB is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.4% C 0.179 H 272.7°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#3C48BB
RGB	rgb(60, 72, 187)
HSL	hsl(234, 51%, 48%)
HSV	hsv(234, 68%, 73%)
CMYK	cmyk(67.9%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(36.33, 33.02, -62.07)
CIE-LCH	lch(36.33, 70.31, 298.01°)
OKLab	oklab(46.43% 0.0084 -0.179)
OKLCH	oklch(46.43% 0.179 272.7)
XYZ	xyz(13.1475, 9.1820, 48.0835)
Luminance	0.0918 (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

#3C48BB #BBAF3C

analogous

#3C87BB #3C48BB #6F3CBB

triadic

#3C48BB #BB3C48 #48BB3C

tetradic

#3C48BB #BB3C87 #BBAF3C #3CBB6F

square

#3C48BB #BB3C87 #BBAF3C #3CBB6F

split-complementary

#3C48BB #BB6F3C #87BB3C

monochromatic

#1E245E #2D368D #3C48BB #6670CE #959BDD

Accessibility & contrast

On white

7.40

#3C48BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3C48BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C48BB

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C48BB	#FFFFFF	#000000	##FFFFFF
##3C48BB	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3c48bb;
/* rgb */ color: rgb(60, 72, 187);
/* oklch */ color: oklch(46.4% 0.179 272.7);

Tailwind

colors: {
  custom: {
    50: '#817bd0',
    500: '#3c48bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c48bb;
$custom-light: #817bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c48bb",
  "rgb": {
    "r": 60,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 234.331,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46429,
    "c": 0.17921,
    "h": 272.7
  },
  "luminance": 0.09183
}

Semantic roles & 50–950 ramp

primary

#3C48BB

secondary

#C8C28B

accent

#CD4DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3C48BB

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

Preview Lab → · Contrast checker → · Palette generator →