#4F64DB#4F64DB

#4F64DB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.3% C 0.182 H 271.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4F64DB
RGB	rgb(79, 100, 219)
HSL	hsl(231, 66%, 58%)
HSV	hsv(231, 64%, 86%)
CMYK	cmyk(63.9%, 54.3%, 0%, 14.1%)
CIE-LAB	lab(46.83, 29.35, -63.45)
CIE-LCH	lch(46.83, 69.91, 294.82°)
OKLab	oklab(55.29% 0.0051 -0.1823)
OKLCH	oklch(55.29% 0.182 271.6)
XYZ	xyz(20.5635, 15.8893, 68.9874)
Luminance	0.1589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F64DB #DBC64F

analogous

#4FAADB #4F64DB #804FDB

triadic

#4F64DB #DB4F64 #64DB4F

tetradic

#4F64DB #DB4FAA #DBC64F #4FDB80

square

#4F64DB #DB4FAA #DBC64F #4FDB80

split-complementary

#4F64DB #DB804F #AADB4F

monochromatic

#1E2F92 #2840C5 #4F64DB #8291E5 #B5BDF0

Accessibility & contrast

On white

5.03

#4F64DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#4F64DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F64DB

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F64DB	#FFFFFF	#000000	##FFFFFF
##4F64DB	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0375DF

Deuteranopia (green-blind)

#0069D9

Tritanopia (blue-blind)

#008096

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4f64db;
/* rgb */ color: rgb(79, 100, 219);
/* oklch */ color: oklch(55.3% 0.182 271.6);

Tailwind

colors: {
  custom: {
    50: '#8e8fe7',
    500: '#4f64db',
    950: '#000000',
  },
}

SCSS

$custom: #4f64db;
$custom-light: #8e8fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f64db",
  "rgb": {
    "r": 79,
    "g": 100,
    "b": 219
  },
  "hsl": {
    "h": 231,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.55288,
    "c": 0.18238,
    "h": 271.6
  },
  "luminance": 0.15891
}

Semantic roles & 50–950 ramp

primary

#4F64DB

secondary

#DFD6A7

accent

#CF3FE9

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F64DB

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

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