#424B9F#424B9F

#424B9F is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.135 H 275.0°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#424B9F
RGB	rgb(66, 75, 159)
HSL	hsl(234, 41%, 44%)
HSV	hsv(234, 58%, 62%)
CMYK	cmyk(58.5%, 52.8%, 0%, 37.6%)
CIE-LAB	lab(35.39, 22.31, -46.95)
CIE-LCH	lch(35.39, 51.98, 295.42°)
OKLab	oklab(45.16% 0.0118 -0.1343)
OKLCH	oklch(45.16% 0.135 275)
XYZ	xyz(11.0188, 8.6928, 33.8914)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B9F #9F9642

analogous

#427A9F #424B9F #68429F

triadic

#424B9F #9F424B #4B9F42

tetradic

#424B9F #9F427A #9F9642 #429F68

square

#424B9F #9F427A #9F9642 #429F68

split-complementary

#424B9F #9F6842 #7A9F42

monochromatic

#1E2249 #303774 #424B9F #616ABD #8C93CF

Accessibility & contrast

On white

7.67

#424B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#424B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B9F

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B9F	#FFFFFF	#000000	##FFFFFF
##424B9F	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C57A2

Deuteranopia (green-blind)

#054F9D

Tritanopia (blue-blind)

#035E6D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424b9f;
/* rgb */ color: rgb(66, 75, 159);
/* oklch */ color: oklch(45.2% 0.135 275.0);

Tailwind

colors: {
  custom: {
    50: '#7f7dbc',
    500: '#424b9f',
    950: '#000000',
  },
}

SCSS

$custom: #424b9f;
$custom-light: #7f7dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#424b9f",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 159
  },
  "hsl": {
    "h": 234.194,
    "s": 41.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45162,
    "c": 0.13486,
    "h": 275
  },
  "luminance": 0.08694
}

Semantic roles & 50–950 ramp

primary

#424B9F

secondary

#BAB582

accent

#C557D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424B9F

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

Preview Lab → · Contrast checker → · Palette generator →