#424A99#424A99

#424A99 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.5% C 0.128 H 275.6°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#424A99
RGB	rgb(66, 74, 153)
HSL	hsl(234, 40%, 43%)
HSV	hsv(234, 57%, 60%)
CMYK	cmyk(56.9%, 51.6%, 0%, 40%)
CIE-LAB	lab(34.71, 20.90, -44.41)
CIE-LCH	lch(34.71, 49.08, 295.20°)
OKLab	oklab(44.53% 0.0124 -0.1269)
OKLCH	oklch(44.53% 0.128 275.6)
XYZ	xyz(10.4435, 8.3550, 31.1932)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424A99 #999142

analogous

#427599 #424A99 #654299

triadic

#424A99 #99424A #4A9942

tetradic

#424A99 #994275 #999142 #429965

square

#424A99 #994275 #999142 #429965

split-complementary

#424A99 #996542 #759942

monochromatic

#1D2143 #30356E #424A99 #5E67BA #898FCC

Accessibility & contrast

On white

7.86

#424A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#424A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A99

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424A99	#FFFFFF	#000000	##FFFFFF
##424A99	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21559C

Deuteranopia (green-blind)

#134E97

Tritanopia (blue-blind)

#125C6A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #424a99;
/* rgb */ color: rgb(66, 74, 153);
/* oklch */ color: oklch(44.5% 0.128 275.6);

Tailwind

colors: {
  custom: {
    50: '#7e7cb7',
    500: '#424a99',
    950: '#000000',
  },
}

SCSS

$custom: #424a99;
$custom-light: #7e7cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#424a99",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 153
  },
  "hsl": {
    "h": 234.483,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44525,
    "c": 0.12751,
    "h": 275.6
  },
  "luminance": 0.08356
}

Semantic roles & 50–950 ramp

primary

#424A99

secondary

#B7B280

accent

#C558D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #424A99

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

Preview Lab → · Contrast checker → · Palette generator →