#424BC7#424BC7

#424BC7 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.3% C 0.190 H 273.7°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#424BC7
RGB	rgb(66, 75, 199)
HSL	hsl(236, 54%, 52%)
HSV	hsv(236, 67%, 78%)
CMYK	cmyk(66.8%, 62.3%, 0%, 22%)
CIE-LAB	lab(38.40, 36.14, -65.70)
CIE-LCH	lch(38.40, 74.98, 298.81°)
OKLab	oklab(48.35% 0.0122 -0.1895)
OKLCH	oklch(48.35% 0.19 273.7)
XYZ	xyz(15.0682, 10.3126, 55.2182)
Luminance	0.1031 (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

#424BC7 #C7BE42

analogous

#428EC7 #424BC7 #7C42C7

triadic

#424BC7 #C7424B #4BC742

tetradic

#424BC7 #C7428E #C7BE42 #42C77C

square

#424BC7 #C7428E #C7BE42 #42C77C

split-complementary

#424BC7 #C77C42 #8EC742

monochromatic

#21266E #2F369D #424BC7 #7178D5 #A0A5E3

Accessibility & contrast

On white

6.86

#424BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#424BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BC7

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BC7	#FFFFFF	#000000	##FFFFFF
##424BC7	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CB

Deuteranopia (green-blind)

#0054C5

Tritanopia (blue-blind)

#006A82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424bc7;
/* rgb */ color: rgb(66, 75, 199);
/* oklch */ color: oklch(48.3% 0.190 273.7);

Tailwind

colors: {
  custom: {
    50: '#867dd9',
    500: '#424bc7',
    950: '#000000',
  },
}

SCSS

$custom: #424bc7;
$custom-light: #867dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#424bc7",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 199
  },
  "hsl": {
    "h": 235.94,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.48349,
    "c": 0.18988,
    "h": 273.7
  },
  "luminance": 0.10314
}

Semantic roles & 50–950 ramp

primary

#424BC7

secondary

#D0CC95

accent

#D44ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #424BC7

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

Preview Lab → · Contrast checker → · Palette generator →