#424D99#424D99

#424D99 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.123 H 274.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#424D99
RGB	rgb(66, 77, 153)
HSL	hsl(232, 40%, 43%)
HSV	hsv(232, 57%, 60%)
CMYK	cmyk(56.9%, 49.7%, 0%, 40%)
CIE-LAB	lab(35.53, 18.93, -43.10)
CIE-LCH	lch(35.53, 47.08, 293.72°)
OKLab	oklab(45.14% 0.009 -0.123)
OKLCH	oklch(45.14% 0.123 274.2)
XYZ	xyz(10.6486, 8.7652, 31.2615)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424D99 #998E42

analogous

#427899 #424D99 #624299

triadic

#424D99 #99424D #4D9942

tetradic

#424D99 #994278 #998E42 #429962

square

#424D99 #994278 #998E42 #429962

split-complementary

#424D99 #996242 #789942

monochromatic

#1D2243 #30376E #424D99 #5E6ABA #8992CC

Accessibility & contrast

On white

7.63

#424D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#424D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424D99

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424D99	#FFFFFF	#000000	##FFFFFF
##424D99	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28579C

Deuteranopia (green-blind)

#1B5097

Tritanopia (blue-blind)

#115E6B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #424d99;
/* rgb */ color: rgb(66, 77, 153);
/* oklch */ color: oklch(45.1% 0.123 274.2);

Tailwind

colors: {
  custom: {
    50: '#7e7eb7',
    500: '#424d99',
    950: '#000000',
  },
}

SCSS

$custom: #424d99;
$custom-light: #7e7eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#424d99",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 232.414,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45142,
    "c": 0.12334,
    "h": 274.2
  },
  "luminance": 0.08766
}

Semantic roles & 50–950 ramp

primary

#424D99

secondary

#B7B080

accent

#C158D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #424D99

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

Preview Lab → · Contrast checker → · Palette generator →