#424BC5#424BC5

#424BC5 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.2% C 0.187 H 273.8°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#424BC5
RGB	rgb(66, 75, 197)
HSL	hsl(236, 53%, 52%)
HSV	hsv(236, 66%, 77%)
CMYK	cmyk(66.5%, 61.9%, 0%, 22.7%)
CIE-LAB	lab(38.23, 35.45, -64.80)
CIE-LCH	lch(38.23, 73.87, 298.68°)
OKLab	oklab(48.18% 0.0123 -0.1868)
OKLCH	oklch(48.18% 0.187 273.8)
XYZ	xyz(14.8375, 10.2203, 54.0033)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BC5 #C5BC42

analogous

#428DC5 #424BC5 #7B42C5

triadic

#424BC5 #C5424B #4BC542

tetradic

#424BC5 #C5428D #C5BC42 #42C57B

square

#424BC5 #C5428D #C5BC42 #42C57B

split-complementary

#424BC5 #C57B42 #8DC542

monochromatic

#21266C #2F379A #424BC5 #7178D3 #A0A4E2

Accessibility & contrast

On white

6.90

#424BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#424BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BC5

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BC5	#FFFFFF	#000000	##FFFFFF
##424BC5	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C9

Deuteranopia (green-blind)

#0054C3

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424bc5;
/* rgb */ color: rgb(66, 75, 197);
/* oklch */ color: oklch(48.2% 0.187 273.8);

Tailwind

colors: {
  custom: {
    50: '#867dd8',
    500: '#424bc5',
    950: '#000000',
  },
}

SCSS

$custom: #424bc5;
$custom-light: #867dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#424bc5",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 197
  },
  "hsl": {
    "h": 235.878,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48179,
    "c": 0.18725,
    "h": 273.8
  },
  "luminance": 0.10222
}

Semantic roles & 50–950 ramp

primary

#424BC5

secondary

#CECA95

accent

#D24BDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #424BC5

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

Preview Lab → · Contrast checker → · Palette generator →