#404A52#404A52

#404A52 is a dark, near-neutral cyan. Relative luminance 0.066; OKLCH L 40.3% C 0.019 H 242.2°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#404A52
RGB	rgb(64, 74, 82)
HSL	hsl(207, 12%, 29%)
HSV	hsv(207, 22%, 32%)
CMYK	cmyk(22%, 9.8%, 0%, 67.8%)
CIE-LAB	lab(30.87, -2.00, -6.10)
CIE-LCH	lch(30.87, 6.41, 251.85°)
OKLab	oklab(40.32% -0.0087 -0.0165)
OKLCH	oklch(40.32% 0.019 242.2)
XYZ	xyz(6.0857, 6.5966, 8.9336)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404A52 #524840

analogous

#405251 #404A52 #404152

triadic

#404A52 #52404A #4A5240

tetradic

#404A52 #514052 #524840 #415240

square

#404A52 #514052 #524840 #415240

split-complementary

#404A52 #524041 #525140

monochromatic

#0D1011 #252B30 #404A52 #5B6974 #778895

Accessibility & contrast

On white

9.05

#404A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#404A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404A52

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404A52	#FFFFFF	#000000	##FFFFFF
##404A52	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474A52

Deuteranopia (green-blind)

#444852

Tritanopia (blue-blind)

#3B4C4C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #404a52;
/* rgb */ color: rgb(64, 74, 82);
/* oklch */ color: oklch(40.3% 0.019 242.2);

Tailwind

colors: {
  custom: {
    50: '#757c82',
    500: '#404a52',
    950: '#000000',
  },
}

SCSS

$custom: #404a52;
$custom-light: #757c82;
$custom-dark: #000000;

JSON

{
  "hex": "#404a52",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 82
  },
  "hsl": {
    "h": 206.667,
    "s": 12.329,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40324,
    "c": 0.0187,
    "h": 242.2
  },
  "luminance": 0.06597
}

Semantic roles & 50–950 ramp

primary

#404A52

secondary

#81766D

accent

#9073B5

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404A52

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

Preview Lab → · Contrast checker → · Palette generator →