#424EBA#424EBA

#424EBA is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.8% C 0.169 H 273.4°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#424EBA
RGB	rgb(66, 78, 186)
HSL	hsl(234, 48%, 49%)
HSV	hsv(234, 65%, 73%)
CMYK	cmyk(64.5%, 58.1%, 0%, 27.1%)
CIE-LAB	lab(38.11, 29.75, -58.57)
CIE-LCH	lch(38.11, 65.70, 296.93°)
OKLab	oklab(47.82% 0.01 -0.1685)
OKLCH	oklch(47.82% 0.169 273.4)
XYZ	xyz(13.8311, 10.1510, 47.6753)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EBA #BAAE42

analogous

#428ABA #424EBA #7242BA

triadic

#424EBA #BA424E #4EBA42

tetradic

#424EBA #BA428A #BAAE42 #42BA72

square

#424EBA #BA428A #BAAE42 #42BA72

split-complementary

#424EBA #BA7242 #8ABA42

monochromatic

#222860 #323B8D #424EBA #6E77CB #9BA1DB

Accessibility & contrast

On white

6.93

#424EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#424EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424EBA

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EBA	#FFFFFF	#000000	##FFFFFF
##424EBA	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBE

Deuteranopia (green-blind)

#0055B8

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424eba;
/* rgb */ color: rgb(66, 78, 186);
/* oklch */ color: oklch(47.8% 0.169 273.4);

Tailwind

colors: {
  custom: {
    50: '#837fd0',
    500: '#424eba',
    950: '#000000',
  },
}

SCSS

$custom: #424eba;
$custom-light: #837fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#424eba",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 186
  },
  "hsl": {
    "h": 234,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47819,
    "c": 0.16881,
    "h": 273.4
  },
  "luminance": 0.10152
}

Semantic roles & 50–950 ramp

primary

#424EBA

secondary

#C8C290

accent

#CA51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #424EBA

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

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