#4F64DD#4F64DD

#4F64DD is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.4% C 0.185 H 271.6°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#4F64DD
RGB	rgb(79, 100, 221)
HSL	hsl(231, 68%, 59%)
HSV	hsv(231, 64%, 87%)
CMYK	cmyk(64.3%, 54.8%, 0%, 13.3%)
CIE-LAB	lab(46.97, 30.03, -64.36)
CIE-LCH	lch(46.97, 71.02, 295.01°)
OKLab	oklab(55.44% 0.0052 -0.185)
OKLCH	oklch(55.44% 0.185 271.6)
XYZ	xyz(20.8284, 15.9952, 70.3823)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F64DD #DDC84F

analogous

#4FABDD #4F64DD #814FDD

triadic

#4F64DD #DD4F64 #64DD4F

tetradic

#4F64DD #DD4FAB #DDC84F #4FDD81

square

#4F64DD #DD4FAB #DDC84F #4FDD81

split-complementary

#4F64DD #DD814F #ABDD4F

monochromatic

#1D2F95 #273FC8 #4F64DD #8291E7 #B6BEF1

Accessibility & contrast

On white

5.00

#4F64DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#4F64DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F64DD

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F64DD	#FFFFFF	#000000	##FFFFFF
##4F64DD	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E1

Deuteranopia (green-blind)

#0069DB

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4f64dd;
/* rgb */ color: rgb(79, 100, 221);
/* oklch */ color: oklch(55.4% 0.185 271.6);

Tailwind

colors: {
  custom: {
    50: '#8f8fe8',
    500: '#4f64dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f64dd;
$custom-light: #8f8fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f64dd",
  "rgb": {
    "r": 79,
    "g": 100,
    "b": 221
  },
  "hsl": {
    "h": 231.127,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.55436,
    "c": 0.18505,
    "h": 271.6
  },
  "luminance": 0.15997
}

Semantic roles & 50–950 ramp

primary

#4F64DD

secondary

#E0D8A8

accent

#D13DEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F64DD

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

Preview Lab → · Contrast checker → · Palette generator →