#424FCA#424FCA

#424FCA is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.3% C 0.189 H 272.7°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#424FCA
RGB	rgb(66, 79, 202)
HSL	hsl(234, 56%, 53%)
HSV	hsv(234, 67%, 79%)
CMYK	cmyk(67.3%, 60.9%, 0%, 20.8%)
CIE-LAB	lab(39.60, 34.67, -65.48)
CIE-LCH	lch(39.60, 74.09, 297.90°)
OKLab	oklab(49.31% 0.009 -0.1888)
OKLCH	oklch(49.31% 0.189 272.7)
XYZ	xyz(15.6998, 11.0130, 57.1640)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FCA #CABD42

analogous

#4293CA #424FCA #7942CA

triadic

#424FCA #CA424F #4FCA42

tetradic

#424FCA #CA4293 #CABD42 #42CA79

square

#424FCA #CA4293 #CABD42 #42CA79

split-complementary

#424FCA #CA7942 #93CA42

monochromatic

#202872 #2D38A2 #424FCA #727CD7 #A2A8E5

Accessibility & contrast

On white

6.56

#424FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#424FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FCA

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FCA	#FFFFFF	#000000	##FFFFFF
##424FCA	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CE

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#006E85

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424fca;
/* rgb */ color: rgb(66, 79, 202);
/* oklch */ color: oklch(49.3% 0.189 272.7);

Tailwind

colors: {
  custom: {
    50: '#8780db',
    500: '#424fca',
    950: '#000000',
  },
}

SCSS

$custom: #424fca;
$custom-light: #8780db;
$custom-dark: #000000;

JSON

{
  "hex": "#424fca",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 202
  },
  "hsl": {
    "h": 234.265,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49312,
    "c": 0.189,
    "h": 272.7
  },
  "luminance": 0.11014
}

Semantic roles & 50–950 ramp

primary

#424FCA

secondary

#D1CC96

accent

#D148DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #424FCA

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

Preview Lab → · Contrast checker → · Palette generator →