#404A4F#404A4F

#404A4F is a dark, near-neutral cyan. Relative luminance 0.066; OKLCH L 40.2% C 0.015 H 229.3°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#404A4F
RGB	rgb(64, 74, 79)
HSL	hsl(200, 10%, 28%)
HSV	hsv(200, 19%, 31%)
CMYK	cmyk(19%, 6.3%, 0%, 69%)
CIE-LAB	lab(30.76, -2.77, -4.33)
CIE-LCH	lch(30.76, 5.14, 237.37°)
OKLab	oklab(40.21% -0.0101 -0.0117)
OKLCH	oklch(40.21% 0.015 229.3)
XYZ	xyz(5.9741, 6.5519, 8.3455)
Luminance	0.0655 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404A4F #4F4540

analogous

#404F4C #404A4F #40424F

triadic

#404A4F #4F404A #4A4F40

tetradic

#404A4F #4C404F #4F4540 #424F40

square

#404A4F #4C404F #4F4540 #424F40

split-complementary

#404A4F #4F4042 #4F4C40

monochromatic

#0E1011 #252A2D #404A4F #5B6A71 #788992

Accessibility & contrast

On white

9.09

#404A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#404A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404A4F

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404A4F	#FFFFFF	#000000	##FFFFFF
##404A4F	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47494F

Deuteranopia (green-blind)

#45484F

Tritanopia (blue-blind)

#3C4B4C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #404a4f;
/* rgb */ color: rgb(64, 74, 79);
/* oklch */ color: oklch(40.2% 0.015 229.3);

Tailwind

colors: {
  custom: {
    50: '#757c80',
    500: '#404a4f',
    950: '#000000',
  },
}

SCSS

$custom: #404a4f;
$custom-light: #757c80;
$custom-dark: #000000;

JSON

{
  "hex": "#404a4f",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 79
  },
  "hsl": {
    "h": 200,
    "s": 10.49,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40206,
    "c": 0.01544,
    "h": 229.3
  },
  "luminance": 0.06552
}

Semantic roles & 50–950 ramp

primary

#404A4F

secondary

#7E736D

accent

#8974B3

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404A4F

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

Preview Lab → · Contrast checker → · Palette generator →