#4C45BB#4C45BB

#4C45BB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.0% C 0.179 H 279.6°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#4C45BB
RGB	rgb(76, 69, 187)
HSL	hsl(244, 46%, 50%)
HSV	hsv(244, 63%, 73%)
CMYK	cmyk(59.4%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(36.71, 37.35, -61.42)
CIE-LCH	lch(36.71, 71.89, 301.31°)
OKLab	oklab(46.98% 0.0299 -0.1767)
OKLCH	oklch(46.98% 0.179 279.6)
XYZ	xyz(14.0754, 9.3796, 48.0728)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.35

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C45BB #B4BB45

analogous

#4579BB #4C45BB #8745BB

triadic

#4C45BB #BB4C45 #45BB4C

tetradic

#4C45BB #BB4579 #B4BB45 #45BB87

square

#4C45BB #BB4579 #B4BB45 #45BB87

split-complementary

#4C45BB #BB8745 #79BB45

monochromatic

#272462 #3A348F #4C45BB #7772CB #A29FDC

Accessibility & contrast

On white

7.30

#4C45BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4C45BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C45BB

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C45BB	#FFFFFF	#000000	##FFFFFF
##4C45BB	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0052B9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4c45bb;
/* rgb */ color: rgb(76, 69, 187);
/* oklch */ color: oklch(47.0% 0.179 279.6);

Tailwind

colors: {
  custom: {
    50: '#8979d0',
    500: '#4c45bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c45bb;
$custom-light: #8979d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c45bb",
  "rgb": {
    "r": 76,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 243.559,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46984,
    "c": 0.17919,
    "h": 279.6
  },
  "luminance": 0.09381
}

Semantic roles & 50–950 ramp

primary

#4C45BB

secondary

#C5C894

accent

#D652CE

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4C45BB

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

Preview Lab → · Contrast checker → · Palette generator →