#404C50#404C50

#404C50 is a dark, near-neutral cyan. Relative luminance 0.068; OKLCH L 40.7% C 0.017 H 219.9°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#404C50
RGB	rgb(64, 76, 80)
HSL	hsl(195, 11%, 28%)
HSV	hsv(195, 20%, 31%)
CMYK	cmyk(20%, 5%, 0%, 68.6%)
CIE-LAB	lab(31.43, -3.77, -3.97)
CIE-LCH	lch(31.43, 5.48, 226.51°)
OKLab	oklab(40.75% -0.0129 -0.0108)
OKLCH	oklch(40.75% 0.017 219.9)
XYZ	xyz(6.1464, 6.8379, 8.5839)
Luminance	0.0684 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C50 #504440

analogous

#40504C #404C50 #404450

triadic

#404C50 #50404C #4C5040

tetradic

#404C50 #4C4050 #504440 #445040

square

#404C50 #4C4050 #504440 #445040

split-complementary

#404C50 #504044 #504C40

monochromatic

#0E1011 #252C2E #404C50 #5B6C72 #788C93

Accessibility & contrast

On white

8.87

#404C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#404C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C50

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C50	#FFFFFF	#000000	##FFFFFF
##404C50	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494B50

Deuteranopia (green-blind)

#474950

Tritanopia (blue-blind)

#3C4D4D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #404c50;
/* rgb */ color: rgb(64, 76, 80);
/* oklch */ color: oklch(40.7% 0.017 219.9);

Tailwind

colors: {
  custom: {
    50: '#757e81',
    500: '#404c50',
    950: '#000000',
  },
}

SCSS

$custom: #404c50;
$custom-light: #757e81;
$custom-dark: #000000;

JSON

{
  "hex": "#404c50",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 80
  },
  "hsl": {
    "h": 195,
    "s": 11.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40747,
    "c": 0.01677,
    "h": 219.9
  },
  "luminance": 0.06838
}

Semantic roles & 50–950 ramp

primary

#404C50

secondary

#7F716D

accent

#8474B4

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404C50

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

Preview Lab → · Contrast checker → · Palette generator →