#424ABC#424ABC

#424ABC is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.177 H 274.4°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#424ABC
RGB	rgb(66, 74, 188)
HSL	hsl(236, 48%, 50%)
HSV	hsv(236, 65%, 74%)
CMYK	cmyk(64.9%, 60.6%, 0%, 26.3%)
CIE-LAB	lab(37.27, 32.98, -61.11)
CIE-LCH	lch(37.27, 69.45, 298.35°)
OKLab	oklab(47.24% 0.0134 -0.176)
OKLCH	oklch(47.24% 0.177 274.4)
XYZ	xyz(13.7696, 9.6855, 48.7110)
Luminance	0.0969 (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

#424ABC #BCB442

analogous

#4287BC #424ABC #7742BC

triadic

#424ABC #BC424A #4ABC42

tetradic

#424ABC #BC4287 #BCB442 #42BC77

square

#424ABC #BC4287 #BCB442 #42BC77

split-complementary

#424ABC #BC7742 #87BC42

monochromatic

#222661 #32388F #424ABC #6F75CC #9CA0DC

Accessibility & contrast

On white

7.15

#424ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#424ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424ABC

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ABC	#FFFFFF	#000000	##FFFFFF
##424ABC	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC0

Deuteranopia (green-blind)

#0052BA

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424abc;
/* rgb */ color: rgb(66, 74, 188);
/* oklch */ color: oklch(47.2% 0.177 274.4);

Tailwind

colors: {
  custom: {
    50: '#847cd1',
    500: '#424abc',
    950: '#000000',
  },
}

SCSS

$custom: #424abc;
$custom-light: #847cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#424abc",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 188
  },
  "hsl": {
    "h": 236.066,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47244,
    "c": 0.17653,
    "h": 274.4
  },
  "luminance": 0.09687
}

Semantic roles & 50–950 ramp

primary

#424ABC

secondary

#C9C591

accent

#CF50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #424ABC

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

Preview Lab → · Contrast checker → · Palette generator →