#424CBC#424CBC

#424CBC is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.6% C 0.174 H 273.9°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#424CBC
RGB	rgb(66, 76, 188)
HSL	hsl(235, 48%, 50%)
HSV	hsv(235, 65%, 74%)
CMYK	cmyk(64.9%, 59.6%, 0%, 26.3%)
CIE-LAB	lab(37.76, 31.72, -60.31)
CIE-LCH	lch(37.76, 68.14, 297.74°)
OKLab	oklab(47.61% 0.0117 -0.1736)
OKLCH	oklch(47.61% 0.174 273.9)
XYZ	xyz(13.9053, 9.9568, 48.7563)
Luminance	0.0996 (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

#424CBC #BCB242

analogous

#4289BC #424CBC #7542BC

triadic

#424CBC #BC424C #4CBC42

tetradic

#424CBC #BC4289 #BCB242 #42BC75

square

#424CBC #BC4289 #BCB242 #42BC75

split-complementary

#424CBC #BC7542 #89BC42

monochromatic

#222761 #323A8F #424CBC #6F76CC #9CA1DC

Accessibility & contrast

On white

7.02

#424CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#424CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CBC

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CBC	#FFFFFF	#000000	##FFFFFF
##424CBC	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424cbc;
/* rgb */ color: rgb(66, 76, 188);
/* oklch */ color: oklch(47.6% 0.174 273.9);

Tailwind

colors: {
  custom: {
    50: '#847ed1',
    500: '#424cbc',
    950: '#000000',
  },
}

SCSS

$custom: #424cbc;
$custom-light: #847ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#424cbc",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 188
  },
  "hsl": {
    "h": 235.082,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47609,
    "c": 0.17405,
    "h": 273.9
  },
  "luminance": 0.09958
}

Semantic roles & 50–950 ramp

primary

#424CBC

secondary

#C9C491

accent

#CD50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #424CBC

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

Preview Lab → · Contrast checker → · Palette generator →