#404E58#404E58

#404E58 is a dark, muted cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.024 H 239.3°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#404E58
RGB	rgb(64, 78, 88)
HSL	hsl(205, 16%, 30%)
HSV	hsv(205, 27%, 35%)
CMYK	cmyk(27.3%, 11.4%, 0%, 65.5%)
CIE-LAB	lab(32.35, -2.91, -7.70)
CIE-LCH	lch(32.35, 8.24, 249.29°)
OKLab	oklab(41.57% -0.0125 -0.021)
OKLCH	oklch(41.57% 0.024 239.3)
XYZ	xyz(6.5997, 7.2431, 10.2810)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E58 #584A40

analogous

#405856 #404E58 #404258

triadic

#404E58 #58404E #4E5840

tetradic

#404E58 #564058 #584A40 #425840

square

#404E58 #564058 #584A40 #425840

split-complementary

#404E58 #584042 #585640

monochromatic

#0D1012 #262F35 #404E58 #5A6D7B #778C9C

Accessibility & contrast

On white

8.58

#404E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#404E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E58

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E58	#FFFFFF	#000000	##FFFFFF
##404E58	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4E59

Deuteranopia (green-blind)

#474B58

Tritanopia (blue-blind)

#395151

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #404e58;
/* rgb */ color: rgb(64, 78, 88);
/* oklch */ color: oklch(41.6% 0.024 239.3);

Tailwind

colors: {
  custom: {
    50: '#757f87',
    500: '#404e58',
    950: '#000000',
  },
}

SCSS

$custom: #404e58;
$custom-light: #757f87;
$custom-dark: #000000;

JSON

{
  "hex": "#404e58",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 88
  },
  "hsl": {
    "h": 205,
    "s": 15.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41566,
    "c": 0.02443,
    "h": 239.3
  },
  "luminance": 0.07243
}

Semantic roles & 50–950 ramp

primary

#404E58

secondary

#87786C

accent

#8E6FB9

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#080A0B

muted

#7B7C7C

Preview Lab

Preview with #404E58

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

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