#40535E#40535E

#40535E is a dark, muted cyan. Relative luminance 0.081; OKLCH L 43.1% C 0.030 H 233.8°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#40535E
RGB	rgb(64, 83, 94)
HSL	hsl(202, 19%, 31%)
HSV	hsv(202, 32%, 37%)
CMYK	cmyk(31.9%, 11.7%, 0%, 63.1%)
CIE-LAB	lab(34.16, -4.37, -8.79)
CIE-LCH	lch(34.16, 9.81, 243.56°)
OKLab	oklab(43.06% -0.0176 -0.024)
OKLCH	oklch(43.06% 0.03 233.8)
XYZ	xyz(7.2274, 8.0843, 11.7671)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40535E #5E4B40

analogous

#405E5A #40535E #40445E

triadic

#40535E #5E4053 #535E40

tetradic

#40535E #5A405E #5E4B40 #445E40

square

#40535E #5A405E #5E4B40 #445E40

split-complementary

#40535E #5E4044 #5E5A40

monochromatic

#0E1315 #27333A #40535E #597382 #7692A2

Accessibility & contrast

On white

8.02

#40535E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#40535E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40535E

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40535E	#FFFFFF	#000000	##FFFFFF
##40535E	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E525F

Deuteranopia (green-blind)

#4A4F5E

Tritanopia (blue-blind)

#375656

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #40535e;
/* rgb */ color: rgb(64, 83, 94);
/* oklch */ color: oklch(43.1% 0.030 233.8);

Tailwind

colors: {
  custom: {
    50: '#75838b',
    500: '#40535e',
    950: '#000000',
  },
}

SCSS

$custom: #40535e;
$custom-light: #75838b;
$custom-dark: #000000;

JSON

{
  "hex": "#40535e",
  "rgb": {
    "r": 64,
    "g": 83,
    "b": 94
  },
  "hsl": {
    "h": 202,
    "s": 18.987,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43064,
    "c": 0.02979,
    "h": 233.8
  },
  "luminance": 0.08085
}

Semantic roles & 50–950 ramp

primary

#40535E

secondary

#8D786C

accent

#896CBC

background

#F7F8F8

surface

#EDEFF0

border

#C8CACB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #40535E

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

Preview Lab → · Contrast checker → · Palette generator →