#40B6D2#40B6D2

#40B6D2 is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.2% C 0.110 H 216.9°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#40B6D2
RGB	rgb(64, 182, 210)
HSL	hsl(192, 62%, 54%)
HSV	hsv(192, 70%, 82%)
CMYK	cmyk(69.5%, 13.3%, 0%, 17.6%)
CIE-LAB	lab(68.89, -23.71, -23.68)
CIE-LCH	lch(68.89, 33.51, 224.95°)
OKLab	oklab(72.24% -0.088 -0.066)
OKLCH	oklch(72.24% 0.11 216.9)
XYZ	xyz(30.4703, 39.1956, 66.9199)
Luminance	0.3920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B6D2 #D25C40

analogous

#40D2A5 #40B6D2 #406DD2

triadic

#40B6D2 #D240B6 #B6D240

tetradic

#40B6D2 #A540D2 #D25C40 #6DD240

square

#40B6D2 #A540D2 #D25C40 #6DD240

split-complementary

#40B6D2 #D2406D #D2A540

monochromatic

#1D697B #2993AC #40B6D2 #72C9DE #A3DCE9

Accessibility & contrast

On white

2.38

#40B6D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#40B6D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B6D2

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B6D2	#FFFFFF	#000000	##000000
##40B6D2	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B1D4

Deuteranopia (green-blind)

#8FA2D2

Tritanopia (blue-blind)

#00C0BF

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40b6d2;
/* rgb */ color: rgb(64, 182, 210);
/* oklch */ color: oklch(72.2% 0.110 216.9);

Tailwind

colors: {
  custom: {
    50: '#87ccdf',
    500: '#40b6d2',
    950: '#000000',
  },
}

SCSS

$custom: #40b6d2;
$custom-light: #87ccdf;
$custom-dark: #000000;

JSON

{
  "hex": "#40b6d2",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 210
  },
  "hsl": {
    "h": 191.507,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.72238,
    "c": 0.11,
    "h": 216.9
  },
  "luminance": 0.39199
}

Semantic roles & 50–950 ramp

primary

#40B6D2

secondary

#D6A498

accent

#6243E5

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B6D2

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

Preview Lab → · Contrast checker → · Palette generator →