#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
RGBrgb(64, 182, 210)
HSLhsl(192, 62%, 54%)
HSVhsv(192, 70%, 82%)
CMYKcmyk(69.5%, 13.3%, 0%, 17.6%)
CIE-LABlab(68.89, -23.71, -23.68)
CIE-LCHlch(68.89, 33.51, 224.95°)
OKLaboklab(72.24% -0.088 -0.066)
OKLCHoklch(72.24% 0.11 216.9)
XYZxyz(30.4703, 39.1956, 66.9199)
Luminance0.3920 (WCAG relative)
Temperaturecool
Familycyan

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
##40B6D21.002.388.848.84
#FFFFFF2.381.0021.0021.00
#0000008.8421.001.001.00
##0000008.8421.001.001.00

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 →

#40B6D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva