#424AA5#424AA5

#424AA5 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.145 H 275.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#424AA5
RGB	rgb(66, 74, 165)
HSL	hsl(235, 43%, 45%)
HSV	hsv(235, 60%, 65%)
CMYK	cmyk(60%, 55.2%, 0%, 35.3%)
CIE-LAB	lab(35.54, 25.03, -50.30)
CIE-LCH	lch(35.54, 56.18, 296.46°)
OKLab	oklab(45.41% 0.0133 -0.1442)
OKLCH	oklch(45.41% 0.145 275.2)
XYZ	xyz(11.4849, 8.7716, 36.6779)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424AA5 #A59D42

analogous

#427BA5 #424AA5 #6C42A5

triadic

#424AA5 #A5424A #4AA542

tetradic

#424AA5 #A5427B #A59D42 #42A56C

square

#424AA5 #A5427B #A59D42 #42A56C

split-complementary

#424AA5 #A56C42 #7BA542

monochromatic

#1F234E #313679 #424AA5 #636BC1 #8F95D2

Accessibility & contrast

On white

7.62

#424AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#424AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424AA5

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AA5	#FFFFFF	#000000	##FFFFFF
##424AA5	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B58A8

Deuteranopia (green-blind)

#004FA3

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #424aa5;
/* rgb */ color: rgb(66, 74, 165);
/* oklch */ color: oklch(45.4% 0.145 275.2);

Tailwind

colors: {
  custom: {
    50: '#807cc0',
    500: '#424aa5',
    950: '#000000',
  },
}

SCSS

$custom: #424aa5;
$custom-light: #807cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#424aa5",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 165
  },
  "hsl": {
    "h": 235.152,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.45412,
    "c": 0.14482,
    "h": 275.2
  },
  "luminance": 0.08772
}

Semantic roles & 50–950 ramp

primary

#424AA5

secondary

#BDB985

accent

#C855D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424AA5

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

Preview Lab → · Contrast checker → · Palette generator →