#404E5E#404E5E

#404E5E is a dark, muted cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.032 H 252.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#404E5E
RGB	rgb(64, 78, 94)
HSL	hsl(212, 19%, 31%)
HSV	hsv(212, 32%, 37%)
CMYK	cmyk(31.9%, 17%, 0%, 63.1%)
CIE-LAB	lab(32.58, -1.25, -11.17)
CIE-LCH	lch(32.58, 11.24, 263.62°)
OKLab	oklab(41.82% -0.01 -0.0306)
OKLCH	oklch(41.82% 0.032 252)
XYZ	xyz(6.8585, 7.3466, 11.6442)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E5E #5E5040

analogous

#405D5E #404E5E #41405E

triadic

#404E5E #5E404E #4E5E40

tetradic

#404E5E #5E405D #5E5040 #405E41

square

#404E5E #5E405D #5E5040 #405E41

split-complementary

#404E5E #5E4140 #5D5E40

monochromatic

#0E1215 #27303A #404E5E #596C82 #768BA2

Accessibility & contrast

On white

8.50

#404E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#404E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E5E

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E5E	#FFFFFF	#000000	##FFFFFF
##404E5E	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484E5F

Deuteranopia (green-blind)

#454B5E

Tritanopia (blue-blind)

#375253

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #404e5e;
/* rgb */ color: rgb(64, 78, 94);
/* oklch */ color: oklch(41.8% 0.032 252.0);

Tailwind

colors: {
  custom: {
    50: '#757f8b',
    500: '#404e5e',
    950: '#000000',
  },
}

SCSS

$custom: #404e5e;
$custom-light: #757f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#404e5e",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 94
  },
  "hsl": {
    "h": 212,
    "s": 18.987,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41823,
    "c": 0.03222,
    "h": 252
  },
  "luminance": 0.07347
}

Semantic roles & 50–950 ramp

primary

#404E5E

secondary

#8D7E6C

accent

#976CBC

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #404E5E

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

Preview Lab → · Contrast checker → · Palette generator →