#424B7A#424B7A

#424B7A is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.7% C 0.079 H 274.4°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#424B7A
RGB	rgb(66, 75, 122)
HSL	hsl(230, 30%, 37%)
HSV	hsv(230, 46%, 48%)
CMYK	cmyk(45.9%, 38.5%, 0%, 52.2%)
CIE-LAB	lab(33.13, 9.86, -27.92)
CIE-LCH	lch(33.13, 29.61, 289.44°)
OKLab	oklab(42.71% 0.006 -0.0786)
OKLCH	oklch(42.71% 0.079 274.4)
XYZ	xyz(8.2746, 7.5951, 19.4386)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B7A #7A7142

analogous

#42677A #424B7A #55427A

triadic

#424B7A #7A424B #4B7A42

tetradic

#424B7A #7A4267 #7A7142 #427A55

square

#424B7A #7A4267 #7A7142 #427A55

split-complementary

#424B7A #7A5542 #677A42

monochromatic

#171A2B #2D3352 #424B7A #5763A2 #7D87B9

Accessibility & contrast

On white

8.34

#424B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#424B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B7A

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B7A	#FFFFFF	#000000	##FFFFFF
##424B7A	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507C

Deuteranopia (green-blind)

#354C79

Tritanopia (blue-blind)

#2F555C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424b7a;
/* rgb */ color: rgb(66, 75, 122);
/* oklch */ color: oklch(42.7% 0.079 274.4);

Tailwind

colors: {
  custom: {
    50: '#797da0',
    500: '#424b7a',
    950: '#000000',
  },
}

SCSS

$custom: #424b7a;
$custom-light: #797da0;
$custom-dark: #000000;

JSON

{
  "hex": "#424b7a",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 122
  },
  "hsl": {
    "h": 230.357,
    "s": 29.787,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42711,
    "c": 0.0788,
    "h": 274.4
  },
  "luminance": 0.07596
}

Semantic roles & 50–950 ramp

primary

#424B7A

secondary

#A49C74

accent

#B662C6

background

#F7F7F9

surface

#EEEEF2

border

#C9C9CC

text

#09090F

muted

#7B7B7E

Preview Lab

Preview with #424B7A

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

Preview Lab → · Contrast checker → · Palette generator →