#424B7B#424B7B

#424B7B is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.8% C 0.080 H 274.5°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#424B7B
RGB	rgb(66, 75, 123)
HSL	hsl(231, 30%, 37%)
HSV	hsv(231, 46%, 48%)
CMYK	cmyk(46.3%, 39%, 0%, 51.8%)
CIE-LAB	lab(33.18, 10.18, -28.45)
CIE-LCH	lch(33.18, 30.22, 289.68°)
OKLab	oklab(42.77% 0.0062 -0.0801)
OKLCH	oklch(42.77% 0.08 274.5)
XYZ	xyz(8.3369, 7.6200, 19.7666)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B7B #7B7242

analogous

#42687B #424B7B #56427B

triadic

#424B7B #7B424B #4B7B42

tetradic

#424B7B #7B4268 #7B7242 #427B56

square

#424B7B #7B4268 #7B7242 #427B56

split-complementary

#424B7B #7B5642 #687B42

monochromatic

#171A2B #2D3353 #424B7B #5763A3 #7E87BA

Accessibility & contrast

On white

8.32

#424B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#424B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B7B

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B7B	#FFFFFF	#000000	##FFFFFF
##424B7B	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507D

Deuteranopia (green-blind)

#354C7A

Tritanopia (blue-blind)

#2E555D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424b7b;
/* rgb */ color: rgb(66, 75, 123);
/* oklch */ color: oklch(42.8% 0.080 274.5);

Tailwind

colors: {
  custom: {
    50: '#797da1',
    500: '#424b7b',
    950: '#000000',
  },
}

SCSS

$custom: #424b7b;
$custom-light: #797da1;
$custom-dark: #000000;

JSON

{
  "hex": "#424b7b",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 123
  },
  "hsl": {
    "h": 230.526,
    "s": 30.159,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4277,
    "c": 0.08037,
    "h": 274.5
  },
  "luminance": 0.0762
}

Semantic roles & 50–950 ramp

primary

#424B7B

secondary

#A59D74

accent

#B661C6

background

#F7F7F9

surface

#EEEEF2

border

#C9C9CC

text

#09090F

muted

#7B7B7E

Preview Lab

Preview with #424B7B

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

Preview Lab → · Contrast checker → · Palette generator →