#424552#424552

#424552 is a dark, muted blue. Relative luminance 0.060; OKLCH L 39.3% C 0.022 H 275.1°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#424552
RGB	rgb(66, 69, 82)
HSL	hsl(229, 11%, 29%)
HSV	hsv(229, 20%, 32%)
CMYK	cmyk(19.5%, 15.9%, 0%, 67.8%)
CIE-LAB	lab(29.47, 1.95, -8.18)
CIE-LCH	lch(29.47, 8.41, 283.38°)
OKLab	oklab(39.27% 0.002 -0.0222)
OKLCH	oklch(39.27% 0.022 275.1)
XYZ	xyz(5.8975, 6.0236, 8.8330)
Luminance	0.0602 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424552 #524F42

analogous

#424D52 #424552 #474252

triadic

#424552 #524245 #455242

tetradic

#424552 #52424D #524F42 #425247

square

#424552 #52424D #524F42 #425247

split-complementary

#424552 #524742 #4D5242

monochromatic

#0E0E11 #272830 #424552 #5D6274 #7A7F94

Accessibility & contrast

On white

9.52

#424552 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#424552 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424552

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424552	#FFFFFF	#000000	##FFFFFF
##424552	1.00	9.52	2.20	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414653

Deuteranopia (green-blind)

#404552

Tritanopia (blue-blind)

#3E4749

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #424552;
/* rgb */ color: rgb(66, 69, 82);
/* oklch */ color: oklch(39.3% 0.022 275.1);

Tailwind

colors: {
  custom: {
    50: '#767882',
    500: '#424552',
    950: '#000000',
  },
}

SCSS

$custom: #424552;
$custom-light: #767882;
$custom-dark: #000000;

JSON

{
  "hex": "#424552",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 82
  },
  "hsl": {
    "h": 228.75,
    "s": 10.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39269,
    "c": 0.02231,
    "h": 275.1
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary

#424552

secondary

#817E6F

accent

#A874B4

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #424552

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

Preview Lab → · Contrast checker → · Palette generator →