#4F55CE#4F55CE

#4F55CE is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.5% C 0.184 H 275.7°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4F55CE
RGB	rgb(79, 85, 206)
HSL	hsl(237, 56%, 56%)
HSV	hsv(237, 62%, 81%)
CMYK	cmyk(61.7%, 58.7%, 0%, 19.2%)
CIE-LAB	lab(42.18, 34.28, -63.56)
CIE-LCH	lch(42.18, 72.22, 298.34°)
OKLab	oklab(51.52% 0.0183 -0.1828)
OKLCH	oklch(51.52% 0.184 275.7)
XYZ	xyz(17.6099, 12.6141, 59.8873)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55CE #CEC84F

analogous

#4F94CE #4F55CE #884FCE

triadic

#4F55CE #CE4F55 #55CE4F

tetradic

#4F55CE #CE4F94 #CEC84F #4FCE88

square

#4F55CE #CE4F94 #CEC84F #4FCE88

split-complementary

#4F55CE #CE884F #94CE4F

monochromatic

#23287F #3137AF #4F55CE #7F83DB #AFB1E9

Accessibility & contrast

On white

5.96

#4F55CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4F55CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55CE

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55CE	#FFFFFF	#000000	##FFFFFF
##4F55CE	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)

#0069D2

Deuteranopia (green-blind)

#005ECC

Tritanopia (blue-blind)

#007289

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f55ce;
/* rgb */ color: rgb(79, 85, 206);
/* oklch */ color: oklch(51.5% 0.184 275.7);

Tailwind

colors: {
  custom: {
    50: '#8d85de',
    500: '#4f55ce',
    950: '#000000',
  },
}

SCSS

$custom: #4f55ce;
$custom-light: #8d85de;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55ce",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 206
  },
  "hsl": {
    "h": 237.165,
    "s": 56.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51524,
    "c": 0.1837,
    "h": 275.7
  },
  "luminance": 0.12615
}

Semantic roles & 50–950 ramp

primary

#4F55CE

secondary

#D7D4A2

accent

#D948E0

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F55CE

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

Preview Lab → · Contrast checker → · Palette generator →