#424DBC#424DBC

#424DBC is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.8% C 0.173 H 273.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#424DBC
RGB	rgb(66, 77, 188)
HSL	hsl(235, 48%, 50%)
HSV	hsv(235, 65%, 74%)
CMYK	cmyk(64.9%, 59%, 0%, 26.3%)
CIE-LAB	lab(38.01, 31.08, -59.91)
CIE-LCH	lch(38.01, 67.49, 297.42°)
OKLab	oklab(47.79% 0.0109 -0.1724)
OKLCH	oklch(47.79% 0.173 273.6)
XYZ	xyz(13.9747, 10.0956, 48.7794)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DBC #BCB142

analogous

#428ABC #424DBC #7442BC

triadic

#424DBC #BC424D #4DBC42

tetradic

#424DBC #BC428A #BCB142 #42BC74

square

#424DBC #BC428A #BCB142 #42BC74

split-complementary

#424DBC #BC7442 #8ABC42

monochromatic

#222861 #323A8F #424DBC #6F77CC #9CA2DC

Accessibility & contrast

On white

6.96

#424DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#424DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DBC

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DBC	#FFFFFF	#000000	##FFFFFF
##424DBC	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#00687D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424dbc;
/* rgb */ color: rgb(66, 77, 188);
/* oklch */ color: oklch(47.8% 0.173 273.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#424dbc",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 188
  },
  "hsl": {
    "h": 234.59,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47793,
    "c": 0.17279,
    "h": 273.6
  },
  "luminance": 0.10097
}

Semantic roles & 50–950 ramp

primary

#424DBC

secondary

#C9C491

accent

#CB50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #424DBC

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

Preview Lab → · Contrast checker → · Palette generator →