#424AA0#424AA0

#424AA0 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.138 H 275.4°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#424AA0
RGB	rgb(66, 74, 160)
HSL	hsl(235, 42%, 44%)
HSV	hsv(235, 59%, 63%)
CMYK	cmyk(58.8%, 53.7%, 0%, 37.3%)
CIE-LAB	lab(35.19, 23.31, -47.86)
CIE-LCH	lch(35.19, 53.24, 295.96°)
OKLab	oklab(45.04% 0.013 -0.1371)
OKLCH	oklch(45.04% 0.138 275.4)
XYZ	xyz(11.0387, 8.5931, 34.3278)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424AA0 #A09842

analogous

#4279A0 #424AA0 #6942A0

triadic

#424AA0 #A0424A #4AA042

tetradic

#424AA0 #A04279 #A09842 #42A069

square

#424AA0 #A04279 #A09842 #42A069

split-complementary

#424AA0 #A06942 #79A042

monochromatic

#1E2249 #303675 #424AA0 #6169BE #8D92D0

Accessibility & contrast

On white

7.72

#424AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#424AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424AA0

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AA0	#FFFFFF	#000000	##FFFFFF
##424AA0	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1757A3

Deuteranopia (green-blind)

#004F9E

Tritanopia (blue-blind)

#015E6E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424aa0;
/* rgb */ color: rgb(66, 74, 160);
/* oklch */ color: oklch(45.0% 0.138 275.4);

Tailwind

colors: {
  custom: {
    50: '#7f7cbd',
    500: '#424aa0',
    950: '#000000',
  },
}

SCSS

$custom: #424aa0;
$custom-light: #7f7cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#424aa0",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 160
  },
  "hsl": {
    "h": 234.894,
    "s": 41.593,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45036,
    "c": 0.13767,
    "h": 275.4
  },
  "luminance": 0.08594
}

Semantic roles & 50–950 ramp

primary

#424AA0

secondary

#BBB683

accent

#C756D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424AA0

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

Preview Lab → · Contrast checker → · Palette generator →