#4C5BBB#4C5BBB

#4C5BBB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.151 H 273.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4C5BBB
RGB	rgb(76, 91, 187)
HSL	hsl(232, 45%, 52%)
HSV	hsv(232, 59%, 73%)
CMYK	cmyk(59.4%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(42.16, 23.57, -52.58)
CIE-LCH	lch(42.16, 57.62, 294.15°)
OKLab	oklab(51.04% 0.0084 -0.1505)
OKLCH	oklch(51.04% 0.151 273.2)
XYZ	xyz(15.6883, 12.6053, 48.6104)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C5BBB #BBAC4C

analogous

#4C93BB #4C5BBB #754CBB

triadic

#4C5BBB #BB4C5B #5BBB4C

tetradic

#4C5BBB #BB4C93 #BBAC4C #4CBB75

square

#4C5BBB #BB4C93 #BBAC4C #4CBB75

split-complementary

#4C5BBB #BB754C #93BB4C

monochromatic

#272F66 #384492 #4C5BBB #7884CC #A5ACDD

Accessibility & contrast

On white

5.96

#4C5BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4C5BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C5BBB

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C5BBB	#FFFFFF	#000000	##FFFFFF
##4C5BBB	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2668BE

Deuteranopia (green-blind)

#0B5FB9

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4c5bbb;
/* rgb */ color: rgb(76, 91, 187);
/* oklch */ color: oklch(51.0% 0.151 273.2);

Tailwind

colors: {
  custom: {
    50: '#8889d0',
    500: '#4c5bbb',
    950: '#000000',
  },
}

SCSS

$custom: #4c5bbb;
$custom-light: #8889d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c5bbb",
  "rgb": {
    "r": 76,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 231.892,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5104,
    "c": 0.15073,
    "h": 273.2
  },
  "luminance": 0.12607
}

Semantic roles & 50–950 ramp

primary

#4C5BBB

secondary

#CAC399

accent

#C353D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4C5BBB

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

Preview Lab → · Contrast checker → · Palette generator →