#424B56#424B56

#424B56 is a dark, muted cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.022 H 253.5°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#424B56
RGB	rgb(66, 75, 86)
HSL	hsl(213, 13%, 30%)
HSV	hsv(213, 23%, 34%)
CMYK	cmyk(23.3%, 12.8%, 0%, 66.3%)
CIE-LAB	lab(31.49, -0.84, -7.71)
CIE-LCH	lch(31.49, 7.76, 263.77°)
OKLab	oklab(40.9% -0.0062 -0.021)
OKLCH	oklch(40.9% 0.022 253.5)
XYZ	xyz(6.4421, 6.8621, 9.7874)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B56 #564D42

analogous

#425556 #424B56 #434256

triadic

#424B56 #56424B #4B5642

tetradic

#424B56 #564255 #564D42 #425643

square

#424B56 #564255 #564D42 #425643

split-complementary

#424B56 #564342 #555642

monochromatic

#0D0F11 #272D33 #424B56 #5D6979 #7A8899

Accessibility & contrast

On white

8.85

#424B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#424B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B56

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B56	#FFFFFF	#000000	##FFFFFF
##424B56	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B57

Deuteranopia (green-blind)

#454956

Tritanopia (blue-blind)

#3D4D4F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #424b56;
/* rgb */ color: rgb(66, 75, 86);
/* oklch */ color: oklch(40.9% 0.022 253.5);

Tailwind

colors: {
  custom: {
    50: '#767d85',
    500: '#424b56',
    950: '#000000',
  },
}

SCSS

$custom: #424b56;
$custom-light: #767d85;
$custom-dark: #000000;

JSON

{
  "hex": "#424b56",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 86
  },
  "hsl": {
    "h": 213,
    "s": 13.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40902,
    "c": 0.02187,
    "h": 253.5
  },
  "luminance": 0.06862
}

Semantic roles & 50–950 ramp

primary

#424B56

secondary

#857B6F

accent

#9772B6

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #424B56

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

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