#4C56CB#4C56CB

#4C56CB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.179 H 274.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4C56CB
RGB	rgb(76, 86, 203)
HSL	hsl(235, 55%, 55%)
HSV	hsv(235, 63%, 80%)
CMYK	cmyk(62.6%, 57.6%, 0%, 20.4%)
CIE-LAB	lab(42.00, 32.16, -62.12)
CIE-LCH	lch(42.00, 69.95, 297.37°)
OKLab	oklab(51.28% 0.014 -0.1786)
OKLCH	oklch(51.28% 0.179 274.5)
XYZ	xyz(17.0842, 12.5025, 58.0012)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C56CB #CBC14C

analogous

#4C95CB #4C56CB #824CCB

triadic

#4C56CB #CB4C56 #56CB4C

tetradic

#4C56CB #CB4C95 #CBC14C #4CCB82

square

#4C56CB #CB4C95 #CBC14C #4CCB82

split-complementary

#4C56CB #CB824C #95CB4C

monochromatic

#232A79 #313AA9 #4C56CB #7B83D9 #ABB0E7

Accessibility & contrast

On white

6.00

#4C56CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4C56CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C56CB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C56CB	#FFFFFF	#000000	##FFFFFF
##4C56CB	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4c56cb;
/* rgb */ color: rgb(76, 86, 203);
/* oklch */ color: oklch(51.3% 0.179 274.5);

Tailwind

colors: {
  custom: {
    50: '#8b85dc',
    500: '#4c56cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c56cb;
$custom-light: #8b85dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c56cb",
  "rgb": {
    "r": 76,
    "g": 86,
    "b": 203
  },
  "hsl": {
    "h": 235.276,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51276,
    "c": 0.17917,
    "h": 274.5
  },
  "luminance": 0.12504
}

Semantic roles & 50–950 ramp

primary

#4C56CB

secondary

#D4D09F

accent

#D349DE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4C56CB

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

Preview Lab → · Contrast checker → · Palette generator →