#424B63#424B63

#424B63 is a dark, muted blue. Relative luminance 0.071; OKLCH L 41.5% C 0.042 H 268.6°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#424B63
RGB	rgb(66, 75, 99)
HSL	hsl(224, 20%, 32%)
HSV	hsv(224, 33%, 39%)
CMYK	cmyk(33.3%, 24.2%, 0%, 61.2%)
CIE-LAB	lab(32.01, 2.77, -15.20)
CIE-LCH	lch(32.01, 15.45, 280.34°)
OKLab	oklab(41.48% -0.001 -0.0419)
OKLCH	oklch(41.48% 0.042 268.6)
XYZ	xyz(7.0143, 7.0910, 12.8011)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B63 #635A42

analogous

#425C63 #424B63 #494263

triadic

#424B63 #63424B #4B6342

tetradic

#424B63 #63425C #635A42 #426349

square

#424B63 #63425C #635A42 #426349

split-complementary

#424B63 #634942 #5C6342

monochromatic

#11131A #2A2F3E #424B63 #5A6788 #7986A6

Accessibility & contrast

On white

8.68

#424B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#424B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B63

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B63	#FFFFFF	#000000	##FFFFFF
##424B63	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D64

Deuteranopia (green-blind)

#414A62

Tritanopia (blue-blind)

#395053

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #424b63;
/* rgb */ color: rgb(66, 75, 99);
/* oklch */ color: oklch(41.5% 0.042 268.6);

Tailwind

colors: {
  custom: {
    50: '#777d8f',
    500: '#424b63',
    950: '#000000',
  },
}

SCSS

$custom: #424b63;
$custom-light: #777d8f;
$custom-dark: #000000;

JSON

{
  "hex": "#424b63",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 99
  },
  "hsl": {
    "h": 223.636,
    "s": 20,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41484,
    "c": 0.04196,
    "h": 268.6
  },
  "luminance": 0.07091
}

Semantic roles & 50–950 ramp

primary

#424B63

secondary

#92886F

accent

#A66BBD

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#09090C

muted

#7B7B7D

Preview Lab

Preview with #424B63

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

Preview Lab → · Contrast checker → · Palette generator →