#404E53#404E53

#404E53 is a dark, near-neutral cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.020 H 221.5°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#404E53
RGB	rgb(64, 78, 83)
HSL	hsl(196, 13%, 29%)
HSV	hsv(196, 23%, 33%)
CMYK	cmyk(22.9%, 6%, 0%, 67.5%)
CIE-LAB	lab(32.18, -4.24, -4.79)
CIE-LCH	lch(32.18, 6.40, 228.46°)
OKLab	oklab(41.37% -0.0147 -0.013)
OKLCH	oklch(41.37% 0.02 221.5)
XYZ	xyz(6.3996, 7.1631, 9.2274)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E53 #534540

analogous

#40534F #404E53 #404553

triadic

#404E53 #53404E #4E5340

tetradic

#404E53 #4F4053 #534540 #455340

square

#404E53 #4F4053 #534540 #455340

split-complementary

#404E53 #534045 #534F40

monochromatic

#0D1011 #252E30 #404E53 #5B6E76 #778E96

Accessibility & contrast

On white

8.63

#404E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#404E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E53

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E53	#FFFFFF	#000000	##FFFFFF
##404E53	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4D53

Deuteranopia (green-blind)

#484B53

Tritanopia (blue-blind)

#3B5050

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #404e53;
/* rgb */ color: rgb(64, 78, 83);
/* oklch */ color: oklch(41.4% 0.020 221.5);

Tailwind

colors: {
  custom: {
    50: '#757f83',
    500: '#404e53',
    950: '#000000',
  },
}

SCSS

$custom: #404e53;
$custom-light: #757f83;
$custom-dark: #000000;

JSON

{
  "hex": "#404e53",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 83
  },
  "hsl": {
    "h": 195.789,
    "s": 12.925,
    "l": 28.824
  },
  "oklch": {
    "l": 0.41366,
    "c": 0.01962,
    "h": 221.5
  },
  "luminance": 0.07163
}

Semantic roles & 50–950 ramp

primary

#404E53

secondary

#82726D

accent

#8472B6

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#080A0A

muted

#7B7C7C

Preview Lab

Preview with #404E53

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

Preview Lab → · Contrast checker → · Palette generator →