#404C54#404C54

#404C54 is a dark, muted cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.020 H 237.2°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#404C54
RGB	rgb(64, 76, 84)
HSL	hsl(204, 14%, 29%)
HSV	hsv(204, 24%, 33%)
CMYK	cmyk(23.8%, 9.5%, 0%, 67.1%)
CIE-LAB	lab(31.58, -2.73, -6.32)
CIE-LCH	lch(31.58, 6.89, 246.63°)
OKLab	oklab(40.9% -0.0111 -0.0172)
OKLCH	oklch(40.9% 0.02 237.2)
XYZ	xyz(6.2986, 6.8988, 9.3855)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C54 #544840

analogous

#405452 #404C54 #404254

triadic

#404C54 #54404C #4C5440

tetradic

#404C54 #524054 #544840 #425440

square

#404C54 #524054 #544840 #425440

split-complementary

#404C54 #544042 #545240

monochromatic

#0D1011 #262D31 #404C54 #5A6B77 #778A97

Accessibility & contrast

On white

8.82

#404C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#404C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C54

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C54	#FFFFFF	#000000	##FFFFFF
##404C54	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494C54

Deuteranopia (green-blind)

#464954

Tritanopia (blue-blind)

#3A4E4E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #404c54;
/* rgb */ color: rgb(64, 76, 84);
/* oklch */ color: oklch(40.9% 0.020 237.2);

Tailwind

colors: {
  custom: {
    50: '#757e84',
    500: '#404c54',
    950: '#000000',
  },
}

SCSS

$custom: #404c54;
$custom-light: #757e84;
$custom-dark: #000000;

JSON

{
  "hex": "#404c54",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 84
  },
  "hsl": {
    "h": 204,
    "s": 13.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40904,
    "c": 0.02042,
    "h": 237.2
  },
  "luminance": 0.06899
}

Semantic roles & 50–950 ramp

primary

#404C54

secondary

#83766D

accent

#8D71B6

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404C54

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

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