#424299#424299

#424299 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.139 H 278.8°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#424299
RGB	rgb(66, 66, 153)
HSL	hsl(240, 40%, 43%)
HSV	hsv(240, 57%, 60%)
CMYK	cmyk(56.9%, 56.9%, 0%, 40%)
CIE-LAB	lab(32.60, 26.11, -47.82)
CIE-LCH	lch(32.60, 54.48, 298.64°)
OKLab	oklab(42.94% 0.0213 -0.137)
OKLCH	oklch(42.94% 0.139 278.8)
XYZ	xyz(9.9429, 7.3539, 31.0263)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424299 #999942

analogous

#426D99 #424299 #6D4299

triadic

#424299 #994242 #429942

tetradic

#424299 #99426D #999942 #42996D

square

#424299 #99426D #999942 #42996D

split-complementary

#424299 #996D42 #6D9942

monochromatic

#1D1D43 #30306E #424299 #5E5EBA #8989CC

Accessibility & contrast

On white

8.50

#424299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#424299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424299

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424299	#FFFFFF	#000000	##FFFFFF
##424299	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01509C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#155667

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424299;
/* rgb */ color: rgb(66, 66, 153);
/* oklch */ color: oklch(42.9% 0.139 278.8);

Tailwind

colors: {
  custom: {
    50: '#7e76b8',
    500: '#424299',
    950: '#000000',
  },
}

SCSS

$custom: #424299;
$custom-light: #7e76b8;
$custom-dark: #000000;

JSON

{
  "hex": "#424299",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 153
  },
  "hsl": {
    "h": 240,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42943,
    "c": 0.13863,
    "h": 278.8
  },
  "luminance": 0.07355
}

Semantic roles & 50–950 ramp

primary

#424299

secondary

#B7B780

accent

#D058D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #424299

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

Preview Lab → · Contrast checker → · Palette generator →