#4F56CF#4F56CF

#4F56CF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.8% C 0.184 H 275.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F56CF
RGB	rgb(79, 86, 207)
HSL	hsl(237, 57%, 56%)
HSV	hsv(237, 62%, 81%)
CMYK	cmyk(61.8%, 58.5%, 0%, 18.8%)
CIE-LAB	lab(42.49, 34.00, -63.62)
CIE-LCH	lch(42.49, 72.14, 298.12°)
OKLab	oklab(51.78% 0.0174 -0.183)
OKLCH	oklch(51.78% 0.184 275.4)
XYZ	xyz(17.8110, 12.8214, 60.5556)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F56CF #CFC84F

analogous

#4F96CF #4F56CF #884FCF

triadic

#4F56CF #CF4F56 #56CF4F

tetradic

#4F56CF #CF4F96 #CFC84F #4FCF88

square

#4F56CF #CF4F96 #CFC84F #4FCF88

split-complementary

#4F56CF #CF884F #96CF4F

monochromatic

#232881 #3037B1 #4F56CF #7F84DC #AFB2E9

Accessibility & contrast

On white

5.89

#4F56CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4F56CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F56CF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F56CF	#FFFFFF	#000000	##FFFFFF
##4F56CF	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f56cf;
/* rgb */ color: rgb(79, 86, 207);
/* oklch */ color: oklch(51.8% 0.184 275.4);

Tailwind

colors: {
  custom: {
    50: '#8d85df',
    500: '#4f56cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f56cf;
$custom-light: #8d85df;
$custom-dark: #000000;

JSON

{
  "hex": "#4f56cf",
  "rgb": {
    "r": 79,
    "g": 86,
    "b": 207
  },
  "hsl": {
    "h": 236.719,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51782,
    "c": 0.18378,
    "h": 275.4
  },
  "luminance": 0.12823
}

Semantic roles & 50–950 ramp

primary

#4F56CF

secondary

#D7D4A2

accent

#D847E0

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F56CF

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

Preview Lab → · Contrast checker → · Palette generator →