#424BDB#424BDB

#424BDB is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.1% C 0.215 H 272.9°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#424BDB
RGB	rgb(66, 75, 219)
HSL	hsl(236, 68%, 56%)
HSV	hsv(236, 70%, 86%)
CMYK	cmyk(69.9%, 65.8%, 0%, 14.1%)
CIE-LAB	lab(40.09, 42.94, -74.47)
CIE-LCH	lch(40.09, 85.96, 299.97°)
OKLab	oklab(50.11% 0.0108 -0.2152)
OKLCH	oklch(50.11% 0.215 272.9)
XYZ	xyz(17.5447, 11.3032, 68.2612)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BDB #DBD242

analogous

#4297DB #424BDB #8642DB

triadic

#424BDB #DB424B #4BDB42

tetradic

#424BDB #DB4297 #DBD242 #42DB86

square

#424BDB #DB4297 #DBD242 #42DB86

split-complementary

#424BDB #DB8642 #97DB42

monochromatic

#1A2189 #242DBC #424BDB #757CE5 #A9ADEF

Accessibility & contrast

On white

6.44

#424BDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#424BDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BDB

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BDB	#FFFFFF	#000000	##FFFFFF
##424BDB	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066DF

Deuteranopia (green-blind)

#0057D8

Tritanopia (blue-blind)

#00718C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424bdb;
/* rgb */ color: rgb(66, 75, 219);
/* oklch */ color: oklch(50.1% 0.215 272.9);

Tailwind

colors: {
  custom: {
    50: '#8a7ee7',
    500: '#424bdb',
    950: '#000000',
  },
}

SCSS

$custom: #424bdb;
$custom-light: #8a7ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#424bdb",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 219
  },
  "hsl": {
    "h": 236.471,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.50105,
    "c": 0.21546,
    "h": 272.9
  },
  "luminance": 0.11305
}

Semantic roles & 50–950 ramp

primary

#424BDB

secondary

#DCD89D

accent

#E13DEB

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424BDB

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

Preview Lab → · Contrast checker → · Palette generator →