#424B53#424B53

#424B53 is a dark, near-neutral cyan. Relative luminance 0.068; OKLCH L 40.8% C 0.018 H 245.1°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#424B53
RGB	rgb(66, 75, 83)
HSL	hsl(208, 11%, 29%)
HSV	hsv(208, 20%, 33%)
CMYK	cmyk(20.5%, 9.6%, 0%, 67.5%)
CIE-LAB	lab(31.38, -1.63, -5.96)
CIE-LCH	lch(31.38, 6.17, 254.73°)
OKLab	oklab(40.78% -0.0075 -0.0161)
OKLCH	oklch(40.78% 0.018 245.1)
XYZ	xyz(6.3238, 6.8148, 9.1641)
Luminance	0.0682 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B53 #534A42

analogous

#425353 #424B53 #424353

triadic

#424B53 #53424B #4B5342

tetradic

#424B53 #534253 #534A42 #435342

square

#424B53 #534253 #534A42 #435342

split-complementary

#424B53 #534243 #535342

monochromatic

#0E0F11 #272C31 #424B53 #5D6A75 #7A8995

Accessibility & contrast

On white

8.89

#424B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#424B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B53

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B53	#FFFFFF	#000000	##FFFFFF
##424B53	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484B53

Deuteranopia (green-blind)

#464953

Tritanopia (blue-blind)

#3E4D4D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #424b53;
/* rgb */ color: rgb(66, 75, 83);
/* oklch */ color: oklch(40.8% 0.018 245.1);

Tailwind

colors: {
  custom: {
    50: '#767d83',
    500: '#424b53',
    950: '#000000',
  },
}

SCSS

$custom: #424b53;
$custom-light: #767d83;
$custom-dark: #000000;

JSON

{
  "hex": "#424b53",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 83
  },
  "hsl": {
    "h": 208.235,
    "s": 11.409,
    "l": 29.216
  },
  "oklch": {
    "l": 0.4078,
    "c": 0.0178,
    "h": 245.1
  },
  "luminance": 0.06815
}

Semantic roles & 50–950 ramp

primary

#424B53

secondary

#82786F

accent

#9273B4

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #424B53

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

Preview Lab → · Contrast checker → · Palette generator →