#404C5C#404C5C

#404C5C is a dark, muted cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.031 H 255.7°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#404C5C
RGB	rgb(64, 76, 92)
HSL	hsl(214, 18%, 31%)
HSV	hsv(214, 30%, 36%)
CMYK	cmyk(30.4%, 17.4%, 0%, 63.9%)
CIE-LAB	lab(31.88, -0.55, -10.97)
CIE-LCH	lch(31.88, 10.98, 267.14°)
OKLab	oklab(41.24% -0.0077 -0.0301)
OKLCH	oklch(41.24% 0.031 255.7)
XYZ	xyz(6.6300, 7.0313, 11.1310)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C5C #5C5040

analogous

#405A5C #404C5C #42405C

triadic

#404C5C #5C404C #4C5C40

tetradic

#404C5C #5C405A #5C5040 #405C42

square

#404C5C #5C405A #5C5040 #405C42

split-complementary

#404C5C #5C4240 #5A5C40

monochromatic

#0E1014 #272E38 #404C5C #596A80 #7688A0

Accessibility & contrast

On white

8.73

#404C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#404C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C5C

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C5C	#FFFFFF	#000000	##FFFFFF
##404C5C	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464D5D

Deuteranopia (green-blind)

#434A5C

Tritanopia (blue-blind)

#384F51

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #404c5c;
/* rgb */ color: rgb(64, 76, 92);
/* oklch */ color: oklch(41.2% 0.031 255.7);

Tailwind

colors: {
  custom: {
    50: '#757e8a',
    500: '#404c5c',
    950: '#000000',
  },
}

SCSS

$custom: #404c5c;
$custom-light: #757e8a;
$custom-dark: #000000;

JSON

{
  "hex": "#404c5c",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 92
  },
  "hsl": {
    "h": 214.286,
    "s": 17.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41243,
    "c": 0.03103,
    "h": 255.7
  },
  "luminance": 0.07032
}

Semantic roles & 50–950 ramp

primary

#404C5C

secondary

#8B7E6C

accent

#996DBB

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #404C5C

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

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