#424BA5#424BA5

#424BA5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.143 H 274.9°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#424BA5
RGB	rgb(66, 75, 165)
HSL	hsl(235, 43%, 45%)
HSV	hsv(235, 60%, 65%)
CMYK	cmyk(60%, 54.5%, 0%, 35.3%)
CIE-LAB	lab(35.80, 24.38, -49.87)
CIE-LCH	lch(35.80, 55.51, 296.06°)
OKLab	oklab(45.61% 0.0122 -0.1429)
OKLCH	oklch(45.61% 0.143 274.9)
XYZ	xyz(11.5522, 8.9061, 36.7003)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BA5 #A59C42

analogous

#427DA5 #424BA5 #6A42A5

triadic

#424BA5 #A5424B #4BA542

tetradic

#424BA5 #A5427D #A59C42 #42A56A

square

#424BA5 #A5427D #A59C42 #42A56A

split-complementary

#424BA5 #A56A42 #7DA542

monochromatic

#1F234E #313779 #424BA5 #636CC1 #8F95D2

Accessibility & contrast

On white

7.55

#424BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#424BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BA5

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BA5	#FFFFFF	#000000	##FFFFFF
##424BA5	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1059A8

Deuteranopia (green-blind)

#0050A3

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #424ba5;
/* rgb */ color: rgb(66, 75, 165);
/* oklch */ color: oklch(45.6% 0.143 274.9);

Tailwind

colors: {
  custom: {
    50: '#807dc0',
    500: '#424ba5',
    950: '#000000',
  },
}

SCSS

$custom: #424ba5;
$custom-light: #807dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#424ba5",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 165
  },
  "hsl": {
    "h": 234.545,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.45609,
    "c": 0.14347,
    "h": 274.9
  },
  "luminance": 0.08907
}

Semantic roles & 50–950 ramp

primary

#424BA5

secondary

#BDB885

accent

#C755D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424BA5

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

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