#424254#424254

#424254 is a dark, muted blue. Relative luminance 0.057; OKLCH L 38.6% C 0.030 H 284.9°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#424254
RGB	rgb(66, 66, 84)
HSL	hsl(240, 12%, 29%)
HSV	hsv(240, 21%, 33%)
CMYK	cmyk(21.4%, 21.4%, 0%, 67.1%)
CIE-LAB	lab(28.63, 4.42, -10.75)
CIE-LCH	lch(28.63, 11.63, 292.37°)
OKLab	oklab(38.64% 0.0078 -0.0294)
OKLCH	oklch(38.64% 0.03 284.9)
XYZ	xyz(5.7948, 5.6947, 9.1797)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424254 #545442

analogous

#424B54 #424254 #4B4254

triadic

#424254 #544242 #425442

tetradic

#424254 #54424B #545442 #42544B

square

#424254 #54424B #545442 #42544B

split-complementary

#424254 #544B42 #4B5442

monochromatic

#0D0D11 #272732 #424254 #5D5D76 #7A7A96

Accessibility & contrast

On white

9.82

#424254 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#424254 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424254

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424254	#FFFFFF	#000000	##FFFFFF
##424254	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4455

Deuteranopia (green-blind)

#3D4354

Tritanopia (blue-blind)

#3E4548

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #424254;
/* rgb */ color: rgb(66, 66, 84);
/* oklch */ color: oklch(38.6% 0.030 284.9);

Tailwind

colors: {
  custom: {
    50: '#767684',
    500: '#424254',
    950: '#000000',
  },
}

SCSS

$custom: #424254;
$custom-light: #767684;
$custom-dark: #000000;

JSON

{
  "hex": "#424254",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 84
  },
  "hsl": {
    "h": 240,
    "s": 12,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38637,
    "c": 0.03039,
    "h": 284.9
  },
  "luminance": 0.05695
}

Semantic roles & 50–950 ramp

primary

#424254

secondary

#83836F

accent

#B573B5

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #424254

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

Preview Lab → · Contrast checker → · Palette generator →