#40555F#40555F

#40555F is a dark, muted cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.031 H 228.7°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#40555F
RGB	rgb(64, 85, 95)
HSL	hsl(199, 19%, 31%)
HSV	hsv(199, 33%, 37%)
CMYK	cmyk(32.6%, 10.5%, 0%, 62.7%)
CIE-LAB	lab(34.83, -5.32, -8.40)
CIE-LCH	lch(34.83, 9.95, 237.67°)
OKLab	oklab(43.61% -0.0202 -0.023)
OKLCH	oklch(43.61% 0.031 228.7)
XYZ	xyz(7.4278, 8.4129, 12.0567)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40555F #5F4A40

analogous

#405F59 #40555F #40455F

triadic

#40555F #5F4055 #555F40

tetradic

#40555F #59405F #5F4A40 #455F40

square

#40555F #59405F #5F4A40 #455F40

split-complementary

#40555F #5F4045 #5F5940

monochromatic

#0F1416 #27343A #40555F #597684 #7695A3

Accessibility & contrast

On white

7.83

#40555F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#40555F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40555F

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40555F	#FFFFFF	#000000	##FFFFFF
##40555F	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505460

Deuteranopia (green-blind)

#4B505F

Tritanopia (blue-blind)

#365858

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #40555f;
/* rgb */ color: rgb(64, 85, 95);
/* oklch */ color: oklch(43.6% 0.031 228.7);

Tailwind

colors: {
  custom: {
    50: '#76848c',
    500: '#40555f',
    950: '#000000',
  },
}

SCSS

$custom: #40555f;
$custom-light: #76848c;
$custom-dark: #000000;

JSON

{
  "hex": "#40555f",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 95
  },
  "hsl": {
    "h": 199.355,
    "s": 19.497,
    "l": 31.176
  },
  "oklch": {
    "l": 0.43607,
    "c": 0.03059,
    "h": 228.7
  },
  "luminance": 0.08413
}

Semantic roles & 50–950 ramp

primary

#40555F

secondary

#8F776C

accent

#866CBC

background

#F7F8F8

surface

#EDEFF0

border

#C8CACB

text

#080B0C

muted

#7B7C7D

Preview Lab

Preview with #40555F

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

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