#424EBC#424EBC

#424EBC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.0% C 0.172 H 273.3°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#424EBC
RGB	rgb(66, 78, 188)
HSL	hsl(234, 48%, 50%)
HSV	hsv(234, 65%, 74%)
CMYK	cmyk(64.9%, 58.5%, 0%, 26.3%)
CIE-LAB	lab(38.26, 30.45, -59.50)
CIE-LCH	lch(38.26, 66.84, 297.10°)
OKLab	oklab(47.98% 0.01 -0.1712)
OKLCH	oklch(47.98% 0.172 273.3)
XYZ	xyz(14.0452, 10.2366, 48.8029)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EBC #BCB042

analogous

#428BBC #424EBC #7342BC

triadic

#424EBC #BC424E #4EBC42

tetradic

#424EBC #BC428B #BCB042 #42BC73

square

#424EBC #BC428B #BCB042 #42BC73

split-complementary

#424EBC #BC7342 #8BBC42

monochromatic

#222861 #323B8F #424EBC #6F78CC #9CA2DC

Accessibility & contrast

On white

6.89

#424EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#424EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424EBC

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EBC	#FFFFFF	#000000	##FFFFFF
##424EBC	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424ebc;
/* rgb */ color: rgb(66, 78, 188);
/* oklch */ color: oklch(48.0% 0.172 273.3);

Tailwind

colors: {
  custom: {
    50: '#847fd1',
    500: '#424ebc',
    950: '#000000',
  },
}

SCSS

$custom: #424ebc;
$custom-light: #847fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#424ebc",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 188
  },
  "hsl": {
    "h": 234.098,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47979,
    "c": 0.17153,
    "h": 273.3
  },
  "luminance": 0.10238
}

Semantic roles & 50–950 ramp

primary

#424EBC

secondary

#C9C391

accent

#CA50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #424EBC

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

Preview Lab → · Contrast checker → · Palette generator →