#424B9D#424B9D

#424B9D is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.132 H 275.1°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#424B9D
RGB	rgb(66, 75, 157)
HSL	hsl(234, 41%, 44%)
HSV	hsv(234, 58%, 62%)
CMYK	cmyk(58%, 52.2%, 0%, 38.4%)
CIE-LAB	lab(35.25, 21.62, -45.96)
CIE-LCH	lch(35.25, 50.79, 295.19°)
OKLab	oklab(45.02% 0.0117 -0.1314)
OKLCH	oklch(45.02% 0.132 275.1)
XYZ	xyz(10.8467, 8.6239, 32.9848)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B9D #9D9442

analogous

#42789D #424B9D #66429D

triadic

#424B9D #9D424B #4B9D42

tetradic

#424B9D #9D4278 #9D9442 #429D66

square

#424B9D #9D4278 #9D9442 #429D66

split-complementary

#424B9D #9D6642 #789D42

monochromatic

#1E2247 #303672 #424B9D #6069BC #8B92CE

Accessibility & contrast

On white

7.71

#424B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#424B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B9D

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B9D	#FFFFFF	#000000	##FFFFFF
##424B9D	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E57A0

Deuteranopia (green-blind)

#0C4F9B

Tritanopia (blue-blind)

#095E6C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424b9d;
/* rgb */ color: rgb(66, 75, 157);
/* oklch */ color: oklch(45.0% 0.132 275.1);

Tailwind

colors: {
  custom: {
    50: '#7e7dba',
    500: '#424b9d',
    950: '#000000',
  },
}

SCSS

$custom: #424b9d;
$custom-light: #7e7dba;
$custom-dark: #000000;

JSON

{
  "hex": "#424b9d",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 157
  },
  "hsl": {
    "h": 234.066,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45017,
    "c": 0.13196,
    "h": 275.1
  },
  "luminance": 0.08625
}

Semantic roles & 50–950 ramp

primary

#424B9D

secondary

#B9B482

accent

#C557D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424B9D

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

Preview Lab → · Contrast checker → · Palette generator →