#424397#424397

#424397 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.134 H 278.6°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#424397
RGB	rgb(66, 67, 151)
HSL	hsl(239, 39%, 43%)
HSV	hsv(239, 56%, 59%)
CMYK	cmyk(56.3%, 55.6%, 0%, 40.8%)
CIE-LAB	lab(32.71, 24.79, -46.42)
CIE-LCH	lch(32.71, 52.62, 298.10°)
OKLab	oklab(42.98% 0.0201 -0.1329)
OKLCH	oklch(42.98% 0.134 278.6)
XYZ	xyz(9.8381, 7.4063, 30.1833)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424397 #979642

analogous

#426E97 #424397 #6B4297

triadic

#424397 #974243 #439742

tetradic

#424397 #97426E #979642 #42976B

square

#424397 #97426E #979642 #42976B

split-complementary

#424397 #976B42 #6E9742

monochromatic

#1D1D42 #2F306C #424397 #5E5FB8 #8889CB

Accessibility & contrast

On white

8.46

#424397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#424397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424397

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424397	#FFFFFF	#000000	##FFFFFF
##424397	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D509A

Deuteranopia (green-blind)

#004A95

Tritanopia (blue-blind)

#175666

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424397;
/* rgb */ color: rgb(66, 67, 151);
/* oklch */ color: oklch(43.0% 0.134 278.6);

Tailwind

colors: {
  custom: {
    50: '#7e77b6',
    500: '#424397',
    950: '#000000',
  },
}

SCSS

$custom: #424397;
$custom-light: #7e77b6;
$custom-dark: #000000;

JSON

{
  "hex": "#424397",
  "rgb": {
    "r": 66,
    "g": 67,
    "b": 151
  },
  "hsl": {
    "h": 239.294,
    "s": 39.171,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42983,
    "c": 0.13437,
    "h": 278.6
  },
  "luminance": 0.07407
}

Semantic roles & 50–950 ramp

primary

#424397

secondary

#B6B57F

accent

#CE59CF

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #424397

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

Preview Lab → · Contrast checker → · Palette generator →