#404C56#404C56

#404C56 is a dark, muted cyan. Relative luminance 0.069; OKLCH L 41.0% C 0.023 H 243.4°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#404C56
RGB	rgb(64, 76, 86)
HSL	hsl(207, 15%, 29%)
HSV	hsv(207, 26%, 34%)
CMYK	cmyk(25.6%, 11.6%, 0%, 66.3%)
CIE-LAB	lab(31.65, -2.20, -7.49)
CIE-LCH	lch(31.65, 7.81, 253.64°)
OKLab	oklab(40.99% -0.0102 -0.0204)
OKLCH	oklch(40.99% 0.023 243.4)
XYZ	xyz(6.3780, 6.9306, 9.8040)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C56 #564A40

analogous

#405655 #404C56 #404156

triadic

#404C56 #56404C #4C5640

tetradic

#404C56 #554056 #564A40 #415640

square

#404C56 #554056 #564A40 #415640

split-complementary

#404C56 #564041 #565540

monochromatic

#0D1012 #262D33 #404C56 #5A6B79 #778A9A

Accessibility & contrast

On white

8.80

#404C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#404C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C56

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C56	#FFFFFF	#000000	##FFFFFF
##404C56	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484C57

Deuteranopia (green-blind)

#454956

Tritanopia (blue-blind)

#3A4E4F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #404c56;
/* rgb */ color: rgb(64, 76, 86);
/* oklch */ color: oklch(41.0% 0.023 243.4);

Tailwind

colors: {
  custom: {
    50: '#757e85',
    500: '#404c56',
    950: '#000000',
  },
}

SCSS

$custom: #404c56;
$custom-light: #757e85;
$custom-dark: #000000;

JSON

{
  "hex": "#404c56",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 86
  },
  "hsl": {
    "h": 207.273,
    "s": 14.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.40986,
    "c": 0.02279,
    "h": 243.4
  },
  "luminance": 0.06931
}

Semantic roles & 50–950 ramp

primary

#404C56

secondary

#85786C

accent

#9170B7

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #404C56

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

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