#424BB7#424BB7

#424BB7 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.0% C 0.169 H 274.3°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#424BB7
RGB	rgb(66, 75, 183)
HSL	hsl(235, 47%, 49%)
HSV	hsv(235, 64%, 72%)
CMYK	cmyk(63.9%, 59%, 0%, 28.2%)
CIE-LAB	lab(37.13, 30.62, -58.41)
CIE-LCH	lch(37.13, 65.95, 297.67°)
OKLab	oklab(47.02% 0.0126 -0.1681)
OKLCH	oklch(47.02% 0.169 274.3)
XYZ	xyz(13.3073, 9.6082, 45.9439)
Luminance	0.0961 (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

#424BB7 #B7AE42

analogous

#4286B7 #424BB7 #7442B7

triadic

#424BB7 #B7424B #4BB742

tetradic

#424BB7 #B74286 #B7AE42 #42B774

square

#424BB7 #B74286 #B7AE42 #42B774

split-complementary

#424BB7 #B77442 #86B742

monochromatic

#22265D #32398A #424BB7 #6C73CA #999EDA

Accessibility & contrast

On white

7.19

#424BB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#424BB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BB7

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BB7	#FFFFFF	#000000	##FFFFFF
##424BB7	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBB

Deuteranopia (green-blind)

#0052B5

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424bb7;
/* rgb */ color: rgb(66, 75, 183);
/* oklch */ color: oklch(47.0% 0.169 274.3);

Tailwind

colors: {
  custom: {
    50: '#837dcd',
    500: '#424bb7',
    950: '#000000',
  },
}

SCSS

$custom: #424bb7;
$custom-light: #837dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#424bb7",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 183
  },
  "hsl": {
    "h": 235.385,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.47017,
    "c": 0.16853,
    "h": 274.3
  },
  "luminance": 0.09609
}

Semantic roles & 50–950 ramp

primary

#424BB7

secondary

#C6C28F

accent

#CC51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #424BB7

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

Preview Lab → · Contrast checker → · Palette generator →