#424BA4#424BA4

#424BA4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.142 H 274.9°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#424BA4
RGB	rgb(66, 75, 164)
HSL	hsl(234, 43%, 45%)
HSV	hsv(234, 60%, 64%)
CMYK	cmyk(59.8%, 54.3%, 0%, 35.7%)
CIE-LAB	lab(35.73, 24.04, -49.39)
CIE-LCH	lch(35.73, 54.93, 295.95°)
OKLab	oklab(45.53% 0.0122 -0.1415)
OKLCH	oklch(45.53% 0.142 274.9)
XYZ	xyz(11.4615, 8.8699, 36.2228)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BA4 #A49B42

analogous

#427CA4 #424BA4 #6A42A4

triadic

#424BA4 #A4424B #4BA442

tetradic

#424BA4 #A4427C #A49B42 #42A46A

square

#424BA4 #A4427C #A49B42 #42A46A

split-complementary

#424BA4 #A46A42 #7CA442

monochromatic

#1F234D #303778 #424BA4 #636CC0 #8F95D2

Accessibility & contrast

On white

7.57

#424BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#424BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BA4

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BA4	#FFFFFF	#000000	##FFFFFF
##424BA4	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1358A7

Deuteranopia (green-blind)

#0050A2

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #424ba4;
/* rgb */ color: rgb(66, 75, 164);
/* oklch */ color: oklch(45.5% 0.142 274.9);

Tailwind

colors: {
  custom: {
    50: '#807dc0',
    500: '#424ba4',
    950: '#000000',
  },
}

SCSS

$custom: #424ba4;
$custom-light: #807dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#424ba4",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 164
  },
  "hsl": {
    "h": 234.49,
    "s": 42.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45533,
    "c": 0.14205,
    "h": 274.9
  },
  "luminance": 0.08871
}

Semantic roles & 50–950 ramp

primary

#424BA4

secondary

#BDB885

accent

#C755D2

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424BA4

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

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