#424C56#424C56

#424C56 is a dark, muted cyan. Relative luminance 0.070; OKLCH L 41.1% C 0.021 H 248.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#424C56
RGB	rgb(66, 76, 86)
HSL	hsl(210, 13%, 30%)
HSV	hsv(210, 23%, 34%)
CMYK	cmyk(23.3%, 11.6%, 0%, 66.3%)
CIE-LAB	lab(31.80, -1.47, -7.24)
CIE-LCH	lch(31.80, 7.39, 258.50°)
OKLab	oklab(41.15% -0.0078 -0.0197)
OKLCH	oklch(41.15% 0.021 248.4)
XYZ	xyz(6.5105, 6.9988, 9.8102)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424C56 #564C42

analogous

#425656 #424C56 #424256

triadic

#424C56 #56424C #4C5642

tetradic

#424C56 #564256 #564C42 #425642

square

#424C56 #564256 #564C42 #425642

split-complementary

#424C56 #564242 #565642

monochromatic

#0D0F11 #272D33 #424C56 #5D6B79 #7A8999

Accessibility & contrast

On white

8.75

#424C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#424C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C56

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424C56	#FFFFFF	#000000	##FFFFFF
##424C56	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484C57

Deuteranopia (green-blind)

#464A56

Tritanopia (blue-blind)

#3D4E4F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #424c56;
/* rgb */ color: rgb(66, 76, 86);
/* oklch */ color: oklch(41.1% 0.021 248.4);

Tailwind

colors: {
  custom: {
    50: '#767e85',
    500: '#424c56',
    950: '#000000',
  },
}

SCSS

$custom: #424c56;
$custom-light: #767e85;
$custom-dark: #000000;

JSON

{
  "hex": "#424c56",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 86
  },
  "hsl": {
    "h": 210,
    "s": 13.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41148,
    "c": 0.02117,
    "h": 248.4
  },
  "luminance": 0.06999
}

Semantic roles & 50–950 ramp

primary

#424C56

secondary

#857A6F

accent

#9472B6

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #424C56

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

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