#404E52#404E52

#404E52 is a dark, near-neutral cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.019 H 216.9°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#404E52
RGB	rgb(64, 78, 82)
HSL	hsl(193, 12%, 29%)
HSV	hsv(193, 22%, 32%)
CMYK	cmyk(22%, 4.9%, 0%, 67.8%)
CIE-LAB	lab(32.14, -4.50, -4.20)
CIE-LCH	lch(32.14, 6.16, 223.04°)
OKLab	oklab(41.33% -0.0152 -0.0114)
OKLCH	oklch(41.33% 0.019 216.9)
XYZ	xyz(6.3613, 7.1478, 9.0255)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E52 #524440

analogous

#40524D #404E52 #404552

triadic

#404E52 #52404E #4E5240

tetradic

#404E52 #4D4052 #524440 #455240

square

#404E52 #4D4052 #524440 #455240

split-complementary

#404E52 #524045 #524D40

monochromatic

#0D1011 #252D30 #404E52 #5B6F74 #778E95

Accessibility & contrast

On white

8.64

#404E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#404E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E52

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E52	#FFFFFF	#000000	##FFFFFF
##404E52	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4D52

Deuteranopia (green-blind)

#484B52

Tritanopia (blue-blind)

#3B504F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #404e52;
/* rgb */ color: rgb(64, 78, 82);
/* oklch */ color: oklch(41.3% 0.019 216.9);

Tailwind

colors: {
  custom: {
    50: '#757f82',
    500: '#404e52',
    950: '#000000',
  },
}

SCSS

$custom: #404e52;
$custom-light: #757f82;
$custom-dark: #000000;

JSON

{
  "hex": "#404e52",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 82
  },
  "hsl": {
    "h": 193.333,
    "s": 12.329,
    "l": 28.627
  },
  "oklch": {
    "l": 0.41328,
    "c": 0.01896,
    "h": 216.9
  },
  "luminance": 0.07148
}

Semantic roles & 50–950 ramp

primary

#404E52

secondary

#81716D

accent

#8173B5

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#080A0A

muted

#7B7C7C

Preview Lab

Preview with #404E52

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

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