#4F64CF#4F64CF

#4F64CF is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.4% C 0.166 H 271.5°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4F64CF
RGB	rgb(79, 100, 207)
HSL	hsl(230, 57%, 56%)
HSV	hsv(230, 62%, 81%)
CMYK	cmyk(61.8%, 51.7%, 0%, 18.8%)
CIE-LAB	lab(46.02, 25.25, -57.92)
CIE-LCH	lch(46.02, 63.19, 293.56°)
OKLab	oklab(54.42% 0.0043 -0.166)
OKLCH	oklch(54.42% 0.166 271.5)
XYZ	xyz(19.0403, 15.2800, 60.9653)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F64CF #CFBA4F

analogous

#4FA4CF #4F64CF #7A4FCF

triadic

#4F64CF #CF4F64 #64CF4F

tetradic

#4F64CF #CF4FA4 #CFBA4F #4FCF7A

square

#4F64CF #CF4FA4 #CFBA4F #4FCF7A

split-complementary

#4F64CF #CF7A4F #A4CF4F

monochromatic

#233281 #3045B1 #4F64CF #7F8EDC #AFB9E9

Accessibility & contrast

On white

5.18

#4F64CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4F64CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F64CF

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F64CF	#FFFFFF	#000000	##FFFFFF
##4F64CF	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2573D3

Deuteranopia (green-blind)

#0068CD

Tritanopia (blue-blind)

#007D90

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4f64cf;
/* rgb */ color: rgb(79, 100, 207);
/* oklch */ color: oklch(54.4% 0.166 271.5);

Tailwind

colors: {
  custom: {
    50: '#8c8fde',
    500: '#4f64cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f64cf;
$custom-light: #8c8fde;
$custom-dark: #000000;

JSON

{
  "hex": "#4f64cf",
  "rgb": {
    "r": 79,
    "g": 100,
    "b": 207
  },
  "hsl": {
    "h": 230.156,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.54417,
    "c": 0.16609,
    "h": 271.5
  },
  "luminance": 0.15282
}

Semantic roles & 50–950 ramp

primary

#4F64CF

secondary

#D7CFA2

accent

#C747E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F64CF

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

Preview Lab → · Contrast checker → · Palette generator →