#424CB0#424CB0

#424CB0 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.158 H 274.2°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#424CB0
RGB	rgb(66, 76, 176)
HSL	hsl(235, 45%, 47%)
HSV	hsv(235, 63%, 69%)
CMYK	cmyk(62.5%, 56.8%, 0%, 31%)
CIE-LAB	lab(36.86, 27.55, -54.72)
CIE-LCH	lch(36.86, 61.26, 296.73°)
OKLab	oklab(46.65% 0.0117 -0.1572)
OKLCH	oklch(46.65% 0.158 274.2)
XYZ	xyz(12.6651, 9.4607, 42.2246)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424CB0 #B0A642

analogous

#4283B0 #424CB0 #6F42B0

triadic

#424CB0 #B0424C #4CB042

tetradic

#424CB0 #B04283 #B0A642 #42B06F

square

#424CB0 #B04283 #B0A642 #42B06F

split-complementary

#424CB0 #B06F42 #83B042

monochromatic

#212657 #313983 #424CB0 #6971C7 #959BD7

Accessibility & contrast

On white

7.26

#424CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#424CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CB0

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CB0	#FFFFFF	#000000	##FFFFFF
##424CB0	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB3

Deuteranopia (green-blind)

#0052AE

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424cb0;
/* rgb */ color: rgb(66, 76, 176);
/* oklch */ color: oklch(46.6% 0.158 274.2);

Tailwind

colors: {
  custom: {
    50: '#827ec8',
    500: '#424cb0',
    950: '#000000',
  },
}

SCSS

$custom: #424cb0;
$custom-light: #827ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#424cb0",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 176
  },
  "hsl": {
    "h": 234.545,
    "s": 45.455,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46648,
    "c": 0.15762,
    "h": 274.2
  },
  "luminance": 0.09462
}

Semantic roles & 50–950 ramp

primary

#424CB0

secondary

#C3BE8B

accent

#C953D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #424CB0

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

Preview Lab → · Contrast checker → · Palette generator →