#4D56CB#4D56CB

#4D56CB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.179 H 274.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4D56CB
RGB	rgb(77, 86, 203)
HSL	hsl(236, 55%, 55%)
HSV	hsv(236, 62%, 80%)
CMYK	cmyk(62.1%, 57.6%, 0%, 20.4%)
CIE-LAB	lab(42.07, 32.33, -62.01)
CIE-LCH	lch(42.07, 69.93, 297.53°)
OKLab	oklab(51.34% 0.0151 -0.1783)
OKLCH	oklch(51.34% 0.179 274.8)
XYZ	xyz(17.1643, 12.5438, 58.0050)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D56CB #CBC24D

analogous

#4D95CB #4D56CB #834DCB

triadic

#4D56CB #CB4D56 #56CB4D

tetradic

#4D56CB #CB4D95 #CBC24D #4DCB83

square

#4D56CB #CB4D95 #CBC24D #4DCB83

split-complementary

#4D56CB #CB834D #95CB4D

monochromatic

#242A7A #313AA9 #4D56CB #7C83D9 #ACB0E7

Accessibility & contrast

On white

5.98

#4D56CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4D56CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D56CB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D56CB	#FFFFFF	#000000	##FFFFFF
##4D56CB	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	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: #4d56cb;
/* rgb */ color: rgb(77, 86, 203);
/* oklch */ color: oklch(51.3% 0.179 274.8);

Tailwind

colors: {
  custom: {
    50: '#8b85dc',
    500: '#4d56cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d56cb;
$custom-light: #8b85dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d56cb",
  "rgb": {
    "r": 77,
    "g": 86,
    "b": 203
  },
  "hsl": {
    "h": 235.714,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5134,
    "c": 0.17892,
    "h": 274.8
  },
  "luminance": 0.12545
}

Semantic roles & 50–950 ramp

primary

#4D56CB

secondary

#D4D19F

accent

#D44ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D56CB

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

Preview Lab → · Contrast checker → · Palette generator →