#424B52#424B52

#424B52 is a dark, near-neutral cyan. Relative luminance 0.068; OKLCH L 40.7% C 0.017 H 241.3°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#424B52
RGB	rgb(66, 75, 82)
HSL	hsl(206, 11%, 29%)
HSV	hsv(206, 20%, 32%)
CMYK	cmyk(19.5%, 8.5%, 0%, 67.8%)
CIE-LAB	lab(31.35, -1.88, -5.37)
CIE-LCH	lch(31.35, 5.69, 250.66°)
OKLab	oklab(40.74% -0.0079 -0.0145)
OKLCH	oklch(40.74% 0.017 241.3)
XYZ	xyz(6.2854, 6.7995, 8.9623)
Luminance	0.0680 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B52 #524942

analogous

#425251 #424B52 #424352

triadic

#424B52 #52424B #4B5242

tetradic

#424B52 #514252 #524942 #435242

square

#424B52 #514252 #524942 #435242

split-complementary

#424B52 #524243 #525142

monochromatic

#0E1011 #272C30 #424B52 #5D6A74 #7A8994

Accessibility & contrast

On white

8.90

#424B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#424B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B52

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B52	#FFFFFF	#000000	##FFFFFF
##424B52	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484B52

Deuteranopia (green-blind)

#464952

Tritanopia (blue-blind)

#3E4D4D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #424b52;
/* rgb */ color: rgb(66, 75, 82);
/* oklch */ color: oklch(40.7% 0.017 241.3);

Tailwind

colors: {
  custom: {
    50: '#767d82',
    500: '#424b52',
    950: '#000000',
  },
}

SCSS

$custom: #424b52;
$custom-light: #767d82;
$custom-dark: #000000;

JSON

{
  "hex": "#424b52",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 82
  },
  "hsl": {
    "h": 206.25,
    "s": 10.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.4074,
    "c": 0.01656,
    "h": 241.3
  },
  "luminance": 0.068
}

Semantic roles & 50–950 ramp

primary

#424B52

secondary

#81776F

accent

#9074B4

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #424B52

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

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