#4B64DB#4B64DB

#4B64DB is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.1% C 0.183 H 270.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4B64DB
RGB	rgb(75, 100, 219)
HSL	hsl(230, 67%, 58%)
HSV	hsv(230, 66%, 86%)
CMYK	cmyk(65.8%, 54.3%, 0%, 14.1%)
CIE-LAB	lab(46.61, 28.72, -63.82)
CIE-LCH	lch(46.61, 69.98, 294.23°)
OKLab	oklab(55.06% 0.0011 -0.1835)
OKLCH	oklch(55.06% 0.183 270.3)
XYZ	xyz(20.2407, 15.7228, 68.9722)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B64DB #DBC24B

analogous

#4BACDB #4B64DB #7A4BDB

triadic

#4B64DB #DB4B64 #64DB4B

tetradic

#4B64DB #DB4BAC #DBC24B #4BDB7A

square

#4B64DB #DB4BAC #DBC24B #4BDB7A

split-complementary

#4B64DB #DB7A4B #ACDB4B

monochromatic

#1D308F #2742C2 #4B64DB #7E90E5 #B1BCEF

Accessibility & contrast

On white

5.07

#4B64DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#4B64DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B64DB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B64DB	#FFFFFF	#000000	##FFFFFF
##4B64DB	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075DF

Deuteranopia (green-blind)

#0068D9

Tritanopia (blue-blind)

#008096

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4b64db;
/* rgb */ color: rgb(75, 100, 219);
/* oklch */ color: oklch(55.1% 0.183 270.3);

Tailwind

colors: {
  custom: {
    50: '#8c8fe7',
    500: '#4b64db',
    950: '#000000',
  },
}

SCSS

$custom: #4b64db;
$custom-light: #8c8fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b64db",
  "rgb": {
    "r": 75,
    "g": 100,
    "b": 219
  },
  "hsl": {
    "h": 229.583,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55064,
    "c": 0.18348,
    "h": 270.3
  },
  "luminance": 0.15725
}

Semantic roles & 50–950 ramp

primary

#4B64DB

secondary

#DED4A4

accent

#CC3EEA

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4B64DB

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

Preview Lab → · Contrast checker → · Palette generator →