#424255#424255

#424255 is a dark, muted blue. Relative luminance 0.057; OKLCH L 38.7% C 0.032 H 284.8°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#424255
RGB	rgb(66, 66, 85)
HSL	hsl(240, 13%, 30%)
HSV	hsv(240, 22%, 33%)
CMYK	cmyk(22.4%, 22.4%, 0%, 66.7%)
CIE-LAB	lab(28.67, 4.69, -11.34)
CIE-LCH	lch(28.67, 12.27, 292.49°)
OKLab	oklab(38.68% 0.0082 -0.031)
OKLCH	oklch(38.68% 0.032 284.8)
XYZ	xyz(5.8343, 5.7105, 9.3874)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424255 #555542

analogous

#424C55 #424255 #4C4255

triadic

#424255 #554242 #425542

tetradic

#424255 #55424C #555542 #42554C

square

#424255 #55424C #555542 #42554C

split-complementary

#424255 #554C42 #4C5542

monochromatic

#0D0D11 #272733 #424255 #5D5D77 #7A7A98

Accessibility & contrast

On white

9.80

#424255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#424255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424255

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424255	#FFFFFF	#000000	##FFFFFF
##424255	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4456

Deuteranopia (green-blind)

#3D4354

Tritanopia (blue-blind)

#3E4548

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #424255;
/* rgb */ color: rgb(66, 66, 85);
/* oklch */ color: oklch(38.7% 0.032 284.8);

Tailwind

colors: {
  custom: {
    50: '#767685',
    500: '#424255',
    950: '#000000',
  },
}

SCSS

$custom: #424255;
$custom-light: #767685;
$custom-dark: #000000;

JSON

{
  "hex": "#424255",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 85
  },
  "hsl": {
    "h": 240,
    "s": 12.583,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38683,
    "c": 0.03207,
    "h": 284.8
  },
  "luminance": 0.05711
}

Semantic roles & 50–950 ramp

primary

#424255

secondary

#84846F

accent

#B572B5

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #424255

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

Preview Lab → · Contrast checker → · Palette generator →