#404C5A#404C5A

#404C5A is a dark, muted cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.028 H 252.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#404C5A
RGB	rgb(64, 76, 90)
HSL	hsl(212, 17%, 30%)
HSV	hsv(212, 29%, 35%)
CMYK	cmyk(28.9%, 15.6%, 0%, 64.7%)
CIE-LAB	lab(31.80, -1.11, -9.81)
CIE-LCH	lch(31.80, 9.88, 263.57°)
OKLab	oklab(41.16% -0.0085 -0.0268)
OKLCH	oklch(41.16% 0.028 252.4)
XYZ	xyz(6.5437, 6.9968, 10.6766)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C5A #5A4E40

analogous

#40595A #404C5A #41405A

triadic

#404C5A #5A404C #4C5A40

tetradic

#404C5A #5A4059 #5A4E40 #405A41

square

#404C5A #5A4059 #5A4E40 #405A41

split-complementary

#404C5A #5A4140 #595A40

monochromatic

#0D1012 #272E36 #404C5A #596A7E #76899E

Accessibility & contrast

On white

8.75

#404C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#404C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C5A

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C5A	#FFFFFF	#000000	##FFFFFF
##404C5A	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474C5B

Deuteranopia (green-blind)

#444A5A

Tritanopia (blue-blind)

#394F51

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #404c5a;
/* rgb */ color: rgb(64, 76, 90);
/* oklch */ color: oklch(41.2% 0.028 252.4);

Tailwind

colors: {
  custom: {
    50: '#757e88',
    500: '#404c5a',
    950: '#000000',
  },
}

SCSS

$custom: #404c5a;
$custom-light: #757e88;
$custom-dark: #000000;

JSON

{
  "hex": "#404c5a",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 90
  },
  "hsl": {
    "h": 212.308,
    "s": 16.883,
    "l": 30.196
  },
  "oklch": {
    "l": 0.41155,
    "c": 0.02815,
    "h": 252.4
  },
  "luminance": 0.06997
}

Semantic roles & 50–950 ramp

primary

#404C5A

secondary

#897C6C

accent

#976EBA

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #404C5A

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

Preview Lab → · Contrast checker → · Palette generator →