#424C9D#424C9D

#424C9D is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.2% C 0.131 H 274.6°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#424C9D
RGB	rgb(66, 76, 157)
HSL	hsl(233, 41%, 44%)
HSV	hsv(233, 58%, 62%)
CMYK	cmyk(58%, 51.6%, 0%, 38.4%)
CIE-LAB	lab(35.52, 20.97, -45.53)
CIE-LCH	lch(35.52, 50.12, 294.73°)
OKLab	oklab(45.22% 0.0106 -0.1302)
OKLCH	oklch(45.22% 0.131 274.6)
XYZ	xyz(10.9150, 8.7607, 33.0076)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424C9D #9D9342

analogous

#42799D #424C9D #65429D

triadic

#424C9D #9D424C #4C9D42

tetradic

#424C9D #9D4279 #9D9342 #429D65

square

#424C9D #9D4279 #9D9342 #429D65

split-complementary

#424C9D #9D6542 #799D42

monochromatic

#1E2247 #303772 #424C9D #606ABC #8B92CE

Accessibility & contrast

On white

7.63

#424C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#424C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C9D

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424C9D	#FFFFFF	#000000	##FFFFFF
##424C9D	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2158A0

Deuteranopia (green-blind)

#10509B

Tritanopia (blue-blind)

#085E6D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #424c9d;
/* rgb */ color: rgb(66, 76, 157);
/* oklch */ color: oklch(45.2% 0.131 274.6);

Tailwind

colors: {
  custom: {
    50: '#7e7dba',
    500: '#424c9d',
    950: '#000000',
  },
}

SCSS

$custom: #424c9d;
$custom-light: #7e7dba;
$custom-dark: #000000;

JSON

{
  "hex": "#424c9d",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 157
  },
  "hsl": {
    "h": 233.407,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4522,
    "c": 0.13059,
    "h": 274.6
  },
  "luminance": 0.08761
}

Semantic roles & 50–950 ramp

primary

#424C9D

secondary

#B9B382

accent

#C357D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424C9D

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

Preview Lab → · Contrast checker → · Palette generator →