#424ABB#424ABB

#424ABB is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.2% C 0.175 H 274.4°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#424ABB
RGB	rgb(66, 74, 187)
HSL	hsl(236, 48%, 50%)
HSV	hsv(236, 65%, 73%)
CMYK	cmyk(64.7%, 60.4%, 0%, 26.7%)
CIE-LAB	lab(37.19, 32.64, -60.66)
CIE-LCH	lch(37.19, 68.88, 298.28°)
OKLab	oklab(47.16% 0.0135 -0.1747)
OKLCH	oklch(47.16% 0.175 274.4)
XYZ	xyz(13.6622, 9.6425, 48.1453)
Luminance	0.0964 (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

#424ABB #BBB342

analogous

#4287BB #424ABB #7742BB

triadic

#424ABB #BB424A #4ABB42

tetradic

#424ABB #BB4287 #BBB342 #42BB77

square

#424ABB #BB4287 #BBB342 #42BB77

split-complementary

#424ABB #BB7742 #87BB42

monochromatic

#222661 #32388E #424ABB #6E74CC #9CA0DC

Accessibility & contrast

On white

7.17

#424ABB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#424ABB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424ABB

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ABB	#FFFFFF	#000000	##FFFFFF
##424ABB	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0052B9

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424abb;
/* rgb */ color: rgb(66, 74, 187);
/* oklch */ color: oklch(47.2% 0.175 274.4);

Tailwind

colors: {
  custom: {
    50: '#847cd0',
    500: '#424abb',
    950: '#000000',
  },
}

SCSS

$custom: #424abb;
$custom-light: #847cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#424abb",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 187
  },
  "hsl": {
    "h": 236.033,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.47162,
    "c": 0.1752,
    "h": 274.4
  },
  "luminance": 0.09644
}

Semantic roles & 50–950 ramp

primary

#424ABB

secondary

#C8C491

accent

#CE50D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #424ABB

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

Preview Lab → · Contrast checker → · Palette generator →