#4C5BCB#4C5BCB

#4C5BCB is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.2% C 0.173 H 273.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#4C5BCB
RGB	rgb(76, 91, 203)
HSL	hsl(233, 55%, 55%)
HSV	hsv(233, 63%, 80%)
CMYK	cmyk(62.6%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(43.25, 29.03, -60.09)
CIE-LCH	lch(43.25, 66.73, 295.78°)
OKLab	oklab(52.21% 0.0094 -0.1726)
OKLCH	oklch(52.21% 0.173 273.1)
XYZ	xyz(17.4975, 13.3290, 58.1390)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C5BCB #CBBC4C

analogous

#4C9BCB #4C5BCB #7C4CCB

triadic

#4C5BCB #CB4C5B #5BCB4C

tetradic

#4C5BCB #CB4C9B #CBBC4C #4CCB7C

square

#4C5BCB #CB4C9B #CBBC4C #4CCB7C

split-complementary

#4C5BCB #CB7C4C #9BCB4C

monochromatic

#232D79 #313FA9 #4C5BCB #7B86D9 #ABB2E7

Accessibility & contrast

On white

5.73

#4C5BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4C5BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C5BCB

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C5BCB	#FFFFFF	#000000	##FFFFFF
##4C5BCB	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#0061C9

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4c5bcb;
/* rgb */ color: rgb(76, 91, 203);
/* oklch */ color: oklch(52.2% 0.173 273.1);

Tailwind

colors: {
  custom: {
    50: '#8b89dc',
    500: '#4c5bcb',
    950: '#000000',
  },
}

SCSS

$custom: #4c5bcb;
$custom-light: #8b89dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c5bcb",
  "rgb": {
    "r": 76,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 232.913,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52209,
    "c": 0.17286,
    "h": 273.1
  },
  "luminance": 0.1333
}

Semantic roles & 50–950 ramp

primary

#4C5BCB

secondary

#D4CE9F

accent

#CD49DE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4C5BCB

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

Preview Lab → · Contrast checker → · Palette generator →