#40474E#40474E

#40474E is a dark, near-neutral cyan. Relative luminance 0.061; OKLCH L 39.4% C 0.015 H 248.2°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#40474E
RGB	rgb(64, 71, 78)
HSL	hsl(210, 10%, 28%)
HSV	hsv(210, 18%, 31%)
CMYK	cmyk(17.9%, 9%, 0%, 69.4%)
CIE-LAB	lab(29.78, -1.13, -5.15)
CIE-LCH	lch(29.78, 5.27, 257.65°)
OKLab	oklab(39.42% -0.0056 -0.0139)
OKLCH	oklch(39.42% 0.015 248.2)
XYZ	xyz(5.7424, 6.1464, 8.0901)
Luminance	0.0615 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40474E #4E4740

analogous

#404E4E #40474E #40404E

triadic

#40474E #4E4047 #474E40

tetradic

#40474E #4E404E #4E4740 #404E40

square

#40474E #4E404E #4E4740 #404E40

split-complementary

#40474E #4E4040 #4E4E40

monochromatic

#0E0F11 #24282C #40474E #5C6670 #788490

Accessibility & contrast

On white

9.42

#40474E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#40474E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40474E

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40474E	#FFFFFF	#000000	##FFFFFF
##40474E	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44474E

Deuteranopia (green-blind)

#43454E

Tritanopia (blue-blind)

#3C4949

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #40474e;
/* rgb */ color: rgb(64, 71, 78);
/* oklch */ color: oklch(39.4% 0.015 248.2);

Tailwind

colors: {
  custom: {
    50: '#757a7f',
    500: '#40474e',
    950: '#000000',
  },
}

SCSS

$custom: #40474e;
$custom-light: #757a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#40474e",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 78
  },
  "hsl": {
    "h": 210,
    "s": 9.859,
    "l": 27.843
  },
  "oklch": {
    "l": 0.39418,
    "c": 0.015,
    "h": 248.2
  },
  "luminance": 0.06147
}

Semantic roles & 50–950 ramp

primary

#40474E

secondary

#7D756D

accent

#9475B3

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #40474E

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

Preview Lab → · Contrast checker → · Palette generator →