#424458#424458

#424458 is a dark, muted blue. Relative luminance 0.060; OKLCH L 39.3% C 0.034 H 280.3°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#424458
RGB	rgb(66, 68, 88)
HSL	hsl(235, 14%, 30%)
HSV	hsv(235, 25%, 35%)
CMYK	cmyk(25%, 22.7%, 0%, 65.5%)
CIE-LAB	lab(29.40, 4.20, -12.16)
CIE-LCH	lch(29.40, 12.86, 289.06°)
OKLab	oklab(39.3% 0.006 -0.0333)
OKLCH	oklch(39.3% 0.034 280.3)
XYZ	xyz(6.0749, 5.9970, 10.0681)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424458 #585642

analogous

#424F58 #424458 #4B4258

triadic

#424458 #584244 #445842

tetradic

#424458 #58424F #585642 #42584B

square

#424458 #58424F #585642 #42584B

split-complementary

#424458 #584B42 #4F5842

monochromatic

#0E0E12 #282935 #424458 #5C5F7B #7A7D9B

Accessibility & contrast

On white

9.55

#424458 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#424458 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424458

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424458	#FFFFFF	#000000	##FFFFFF
##424458	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4659

Deuteranopia (green-blind)

#3E4557

Tritanopia (blue-blind)

#3D484B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #424458;
/* rgb */ color: rgb(66, 68, 88);
/* oklch */ color: oklch(39.3% 0.034 280.3);

Tailwind

colors: {
  custom: {
    50: '#767787',
    500: '#424458',
    950: '#000000',
  },
}

SCSS

$custom: #424458;
$custom-light: #767787;
$custom-dark: #000000;

JSON

{
  "hex": "#424458",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 88
  },
  "hsl": {
    "h": 234.545,
    "s": 14.286,
    "l": 30.196
  },
  "oklch": {
    "l": 0.39296,
    "c": 0.03387,
    "h": 280.3
  },
  "luminance": 0.05997
}

Semantic roles & 50–950 ramp

primary

#424458

secondary

#87856F

accent

#B171B7

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #424458

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

Preview Lab → · Contrast checker → · Palette generator →