#4F63DD#4F63DD

#4F63DD is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.2% C 0.186 H 271.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4F63DD
RGB	rgb(79, 99, 221)
HSL	hsl(232, 68%, 59%)
HSV	hsv(232, 64%, 87%)
CMYK	cmyk(64.3%, 55.2%, 0%, 13.3%)
CIE-LAB	lab(46.72, 30.65, -64.77)
CIE-LCH	lch(46.72, 71.66, 295.33°)
OKLab	oklab(55.25% 0.006 -0.1862)
OKLCH	oklch(55.25% 0.186 271.9)
XYZ	xyz(20.7331, 15.8046, 70.3506)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63DD #DDC94F

analogous

#4FAADD #4F63DD #824FDD

triadic

#4F63DD #DD4F63 #63DD4F

tetradic

#4F63DD #DD4FAA #DDC94F #4FDD82

square

#4F63DD #DD4FAA #DDC94F #4FDD82

split-complementary

#4F63DD #DD824F #AADD4F

monochromatic

#1D2E95 #273DC8 #4F63DD #8290E7 #B6BEF1

Accessibility & contrast

On white

5.05

#4F63DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#4F63DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63DD

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63DD	#FFFFFF	#000000	##FFFFFF
##4F63DD	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E1

Deuteranopia (green-blind)

#0069DB

Tritanopia (blue-blind)

#008096

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4f63dd;
/* rgb */ color: rgb(79, 99, 221);
/* oklch */ color: oklch(55.2% 0.186 271.9);

Tailwind

colors: {
  custom: {
    50: '#8f8fe8',
    500: '#4f63dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f63dd;
$custom-light: #8f8fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63dd",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 231.549,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.55248,
    "c": 0.18629,
    "h": 271.9
  },
  "luminance": 0.15806
}

Semantic roles & 50–950 ramp

primary

#4F63DD

secondary

#E0D8A8

accent

#D23DEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F63DD

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

Preview Lab → · Contrast checker → · Palette generator →