#424B9C#424B9C

#424B9C is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.9% C 0.131 H 275.1°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#424B9C
RGB	rgb(66, 75, 156)
HSL	hsl(234, 41%, 44%)
HSV	hsv(234, 58%, 61%)
CMYK	cmyk(57.7%, 51.9%, 0%, 38.8%)
CIE-LAB	lab(35.18, 21.28, -45.47)
CIE-LCH	lch(35.18, 50.20, 295.08°)
OKLab	oklab(44.94% 0.0116 -0.13)
OKLCH	oklch(44.94% 0.131 275.1)
XYZ	xyz(10.7617, 8.5899, 32.5370)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B9C #9C9342

analogous

#42789C #424B9C #66429C

triadic

#424B9C #9C424B #4B9C42

tetradic

#424B9C #9C4278 #9C9342 #429C66

square

#424B9C #9C4278 #9C9342 #429C66

split-complementary

#424B9C #9C6642 #789C42

monochromatic

#1E2246 #303671 #424B9C #6069BC #8B91CE

Accessibility & contrast

On white

7.73

#424B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#424B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B9C

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B9C	#FFFFFF	#000000	##FFFFFF
##424B9C	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20579F

Deuteranopia (green-blind)

#0F4F9A

Tritanopia (blue-blind)

#0C5D6C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424b9c;
/* rgb */ color: rgb(66, 75, 156);
/* oklch */ color: oklch(44.9% 0.131 275.1);

Tailwind

colors: {
  custom: {
    50: '#7e7dba',
    500: '#424b9c',
    950: '#000000',
  },
}

SCSS

$custom: #424b9c;
$custom-light: #7e7dba;
$custom-dark: #000000;

JSON

{
  "hex": "#424b9c",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 156
  },
  "hsl": {
    "h": 234,
    "s": 40.541,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44944,
    "c": 0.1305,
    "h": 275.1
  },
  "luminance": 0.08591
}

Semantic roles & 50–950 ramp

primary

#424B9C

secondary

#B9B381

accent

#C457D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424B9C

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

Preview Lab → · Contrast checker → · Palette generator →