#424E58#424E58

#424E58 is a dark, muted cyan. Relative luminance 0.073; OKLCH L 41.7% C 0.023 H 243.4°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#424E58
RGB	rgb(66, 78, 88)
HSL	hsl(207, 14%, 30%)
HSV	hsv(207, 25%, 35%)
CMYK	cmyk(25%, 11.4%, 0%, 65.5%)
CIE-LAB	lab(32.51, -2.20, -7.46)
CIE-LCH	lch(32.51, 7.78, 253.56°)
OKLab	oklab(41.73% -0.0101 -0.0203)
OKLCH	oklch(41.73% 0.023 243.4)
XYZ	xyz(6.7321, 7.3114, 10.2872)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424E58 #584C42

analogous

#425857 #424E58 #424358

triadic

#424E58 #58424E #4E5842

tetradic

#424E58 #574258 #584C42 #435842

square

#424E58 #574258 #584C42 #435842

split-complementary

#424E58 #584243 #585742

monochromatic

#0E1012 #282F35 #424E58 #5C6D7B #7A8C9B

Accessibility & contrast

On white

8.53

#424E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#424E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E58

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424E58	#FFFFFF	#000000	##FFFFFF
##424E58	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4E59

Deuteranopia (green-blind)

#474B58

Tritanopia (blue-blind)

#3C5051

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #424e58;
/* rgb */ color: rgb(66, 78, 88);
/* oklch */ color: oklch(41.7% 0.023 243.4);

Tailwind

colors: {
  custom: {
    50: '#767f87',
    500: '#424e58',
    950: '#000000',
  },
}

SCSS

$custom: #424e58;
$custom-light: #767f87;
$custom-dark: #000000;

JSON

{
  "hex": "#424e58",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 88
  },
  "hsl": {
    "h": 207.273,
    "s": 14.286,
    "l": 30.196
  },
  "oklch": {
    "l": 0.41725,
    "c": 0.0227,
    "h": 243.4
  },
  "luminance": 0.07312
}

Semantic roles & 50–950 ramp

primary

#424E58

secondary

#877A6F

accent

#9171B7

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#080A0B

muted

#7B7C7C

Preview Lab

Preview with #424E58

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

Preview Lab → · Contrast checker → · Palette generator →