#404F52#404F52

#404F52 is a dark, near-neutral cyan. Relative luminance 0.073; OKLCH L 41.6% C 0.020 H 211.1°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#404F52
RGB	rgb(64, 79, 82)
HSL	hsl(190, 12%, 29%)
HSV	hsv(190, 22%, 32%)
CMYK	cmyk(22%, 3.7%, 0%, 67.8%)
CIE-LAB	lab(32.46, -5.12, -3.73)
CIE-LCH	lch(32.46, 6.33, 216.08°)
OKLab	oklab(41.58% -0.0167 -0.0101)
OKLCH	oklch(41.58% 0.02 211.1)
XYZ	xyz(6.4329, 7.2909, 9.0494)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F52 #524340

analogous

#40524C #404F52 #404652

triadic

#404F52 #52404F #4F5240

tetradic

#404F52 #4C4052 #524340 #465240

square

#404F52 #4C4052 #524340 #465240

split-complementary

#404F52 #524046 #524C40

monochromatic

#0D1111 #252E30 #404F52 #5B7074 #779095

Accessibility & contrast

On white

8.54

#404F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#404F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F52

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F52	#FFFFFF	#000000	##FFFFFF
##404F52	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4E52

Deuteranopia (green-blind)

#494B52

Tritanopia (blue-blind)

#3B5050

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #404f52;
/* rgb */ color: rgb(64, 79, 82);
/* oklch */ color: oklch(41.6% 0.020 211.1);

Tailwind

colors: {
  custom: {
    50: '#758082',
    500: '#404f52',
    950: '#000000',
  },
}

SCSS

$custom: #404f52;
$custom-light: #758082;
$custom-dark: #000000;

JSON

{
  "hex": "#404f52",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 82
  },
  "hsl": {
    "h": 190,
    "s": 12.329,
    "l": 28.627
  },
  "oklch": {
    "l": 0.4158,
    "c": 0.01956,
    "h": 211.1
  },
  "luminance": 0.07291
}

Semantic roles & 50–950 ramp

primary

#404F52

secondary

#81706D

accent

#7E73B5

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#080A0A

muted

#7B7C7C

Preview Lab

Preview with #404F52

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

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