#424B7C#424B7C

#424B7C is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.8% C 0.082 H 274.5°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#424B7C
RGB	rgb(66, 75, 124)
HSL	hsl(231, 31%, 37%)
HSV	hsv(231, 47%, 49%)
CMYK	cmyk(46.8%, 39.5%, 0%, 51.4%)
CIE-LAB	lab(33.23, 10.50, -28.99)
CIE-LCH	lch(33.23, 30.83, 289.92°)
OKLab	oklab(42.83% 0.0065 -0.0817)
OKLCH	oklch(42.83% 0.082 274.5)
XYZ	xyz(8.3998, 7.6452, 20.0979)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B7C #7C7342

analogous

#42687C #424B7C #56427C

triadic

#424B7C #7C424B #4B7C42

tetradic

#424B7C #7C4268 #7C7342 #427C56

square

#424B7C #7C4268 #7C7342 #427C56

split-complementary

#424B7C #7C5642 #687C42

monochromatic

#171B2C #2D3354 #424B7C #5763A4 #7E87BA

Accessibility & contrast

On white

8.30

#424B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#424B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B7C

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B7C	#FFFFFF	#000000	##FFFFFF
##424B7C	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39517E

Deuteranopia (green-blind)

#344C7B

Tritanopia (blue-blind)

#2E555D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424b7c;
/* rgb */ color: rgb(66, 75, 124);
/* oklch */ color: oklch(42.8% 0.082 274.5);

Tailwind

colors: {
  custom: {
    50: '#7a7da2',
    500: '#424b7c',
    950: '#000000',
  },
}

SCSS

$custom: #424b7c;
$custom-light: #7a7da2;
$custom-dark: #000000;

JSON

{
  "hex": "#424b7c",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 124
  },
  "hsl": {
    "h": 230.69,
    "s": 30.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42829,
    "c": 0.08195,
    "h": 274.5
  },
  "luminance": 0.07646
}

Semantic roles & 50–950 ramp

primary

#424B7C

secondary

#A59E75

accent

#B761C7

background

#F7F7FA

surface

#EEEEF3

border

#C9C9CD

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #424B7C

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

Preview Lab → · Contrast checker → · Palette generator →