#40474F#40474F

#40474F is a dark, near-neutral cyan. Relative luminance 0.062; OKLCH L 39.5% C 0.016 H 251.8°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#40474F
RGB	rgb(64, 71, 79)
HSL	hsl(212, 10%, 28%)
HSV	hsv(212, 19%, 31%)
CMYK	cmyk(19%, 10.1%, 0%, 69%)
CIE-LAB	lab(29.81, -0.87, -5.74)
CIE-LCH	lch(29.81, 5.81, 261.36°)
OKLab	oklab(39.46% -0.0051 -0.0155)
OKLCH	oklch(39.46% 0.016 251.8)
XYZ	xyz(5.7785, 6.1609, 8.2803)
Luminance	0.0616 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40474F #4F4840

analogous

#404E4F #40474F #40404F

triadic

#40474F #4F4047 #474F40

tetradic

#40474F #4F404E #4F4840 #404F40

square

#40474F #4F404E #4F4840 #404F40

split-complementary

#40474F #4F4040 #4E4F40

monochromatic

#0E0F11 #25292D #40474F #5B6571 #788492

Accessibility & contrast

On white

9.41

#40474F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#40474F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40474F

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40474F	#FFFFFF	#000000	##FFFFFF
##40474F	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44474F

Deuteranopia (green-blind)

#42464F

Tritanopia (blue-blind)

#3C494A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #40474f;
/* rgb */ color: rgb(64, 71, 79);
/* oklch */ color: oklch(39.5% 0.016 251.8);

Tailwind

colors: {
  custom: {
    50: '#757a80',
    500: '#40474f',
    950: '#000000',
  },
}

SCSS

$custom: #40474f;
$custom-light: #757a80;
$custom-dark: #000000;

JSON

{
  "hex": "#40474f",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 79
  },
  "hsl": {
    "h": 212,
    "s": 10.49,
    "l": 28.039
  },
  "oklch": {
    "l": 0.39458,
    "c": 0.01637,
    "h": 251.8
  },
  "luminance": 0.06161
}

Semantic roles & 50–950 ramp

primary

#40474F

secondary

#7E766D

accent

#9674B3

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #40474F

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

Preview Lab → · Contrast checker → · Palette generator →