#404F5F#404F5F

#404F5F is a dark, muted cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.033 H 250.3°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#404F5F
RGB	rgb(64, 79, 95)
HSL	hsl(211, 19%, 31%)
HSV	hsv(211, 33%, 37%)
CMYK	cmyk(32.6%, 16.8%, 0%, 62.7%)
CIE-LAB	lab(32.94, -1.60, -11.27)
CIE-LCH	lch(32.94, 11.38, 261.94°)
OKLab	oklab(42.11% -0.0111 -0.0309)
OKLCH	oklch(42.11% 0.033 250.3)
XYZ	xyz(6.9753, 7.5079, 11.9059)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F5F #5F5040

analogous

#405E5F #404F5F #40405F

triadic

#404F5F #5F404F #4F5F40

tetradic

#404F5F #5F405E #5F5040 #405F40

square

#404F5F #5F405E #5F5040 #405F40

split-complementary

#404F5F #5F4040 #5E5F40

monochromatic

#0F1216 #27313A #404F5F #596D84 #768CA3

Accessibility & contrast

On white

8.39

#404F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#404F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F5F

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F5F	#FFFFFF	#000000	##FFFFFF
##404F5F	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494F60

Deuteranopia (green-blind)

#454C5F

Tritanopia (blue-blind)

#375354

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #404f5f;
/* rgb */ color: rgb(64, 79, 95);
/* oklch */ color: oklch(42.1% 0.033 250.3);

Tailwind

colors: {
  custom: {
    50: '#75808c',
    500: '#404f5f',
    950: '#000000',
  },
}

SCSS

$custom: #404f5f;
$custom-light: #75808c;
$custom-dark: #000000;

JSON

{
  "hex": "#404f5f",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 95
  },
  "hsl": {
    "h": 210.968,
    "s": 19.497,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42114,
    "c": 0.03285,
    "h": 250.3
  },
  "luminance": 0.07508
}

Semantic roles & 50–950 ramp

primary

#404F5F

secondary

#8F7E6C

accent

#956CBC

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #404F5F

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

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