#4C55BB#4C55BB

#4C55BB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.9% C 0.159 H 275.3°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4C55BB
RGB	rgb(76, 85, 187)
HSL	hsl(235, 45%, 52%)
HSV	hsv(235, 59%, 73%)
CMYK	cmyk(59.4%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(40.61, 27.38, -55.09)
CIE-LCH	lch(40.61, 61.52, 296.43°)
OKLab	oklab(49.87% 0.0146 -0.1579)
OKLCH	oklch(49.87% 0.159 275.3)
XYZ	xyz(15.1957, 11.6202, 48.4462)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C55BB #BBB24C

analogous

#4C8DBB #4C55BB #7B4CBB

triadic

#4C55BB #BB4C55 #55BB4C

tetradic

#4C55BB #BB4C8D #BBB24C #4CBB7B

square

#4C55BB #BB4C8D #BBB24C #4CBB7B

split-complementary

#4C55BB #BB7B4C #8DBB4C

monochromatic

#272C66 #383F92 #4C55BB #787FCC #A5A9DD

Accessibility & contrast

On white

6.32

#4C55BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4C55BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C55BB

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C55BB	#FFFFFF	#000000	##FFFFFF
##4C55BB	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F65BF

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4c55bb;
/* rgb */ color: rgb(76, 85, 187);
/* oklch */ color: oklch(49.9% 0.159 275.3);

Tailwind

colors: {
  custom: {
    50: '#8884d0',
    500: '#4c55bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c55bb;
$custom-light: #8884d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c55bb",
  "rgb": {
    "r": 76,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 235.135,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.4987,
    "c": 0.15861,
    "h": 275.3
  },
  "luminance": 0.11621
}

Semantic roles & 50–950 ramp

primary

#4C55BB

secondary

#CAC699

accent

#CA53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4C55BB

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

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