#404B4E#404B4E

#404B4E is a dark, near-neutral cyan. Relative luminance 0.067; OKLCH L 40.4% C 0.015 H 216.0°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#404B4E
RGB	rgb(64, 75, 78)
HSL	hsl(193, 10%, 28%)
HSV	hsv(193, 18%, 31%)
CMYK	cmyk(17.9%, 3.8%, 0%, 69.4%)
CIE-LAB	lab(31.05, -3.65, -3.27)
CIE-LCH	lch(31.05, 4.90, 221.81°)
OKLab	oklab(40.42% -0.0122 -0.0088)
OKLCH	oklch(40.42% 0.015 216)
XYZ	xyz(6.0052, 6.6720, 8.1777)
Luminance	0.0667 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404B4E #4E4340

analogous

#404E4A #404B4E #40444E

triadic

#404B4E #4E404B #4B4E40

tetradic

#404B4E #4A404E #4E4340 #444E40

square

#404B4E #4A404E #4E4340 #444E40

split-complementary

#404B4E #4E4044 #4E4A40

monochromatic

#0E1011 #242B2C #404B4E #5C6B70 #788B90

Accessibility & contrast

On white

9.00

#404B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#404B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404B4E

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404B4E	#FFFFFF	#000000	##FFFFFF
##404B4E	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494A4E

Deuteranopia (green-blind)

#46484E

Tritanopia (blue-blind)

#3C4C4C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #404b4e;
/* rgb */ color: rgb(64, 75, 78);
/* oklch */ color: oklch(40.4% 0.015 216.0);

Tailwind

colors: {
  custom: {
    50: '#757d7f',
    500: '#404b4e',
    950: '#000000',
  },
}

SCSS

$custom: #404b4e;
$custom-light: #757d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#404b4e",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 78
  },
  "hsl": {
    "h": 192.857,
    "s": 9.859,
    "l": 27.843
  },
  "oklch": {
    "l": 0.40419,
    "c": 0.01503,
    "h": 216
  },
  "luminance": 0.06672
}

Semantic roles & 50–950 ramp

primary

#404B4E

secondary

#7D706D

accent

#8275B3

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404B4E

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

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