#40A4BE#40A4BE

#40A4BE is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.1% C 0.099 H 218.2°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX#40A4BE
RGBrgb(64, 164, 190)
HSLhsl(192, 50%, 50%)
HSVhsv(192, 66%, 75%)
CMYKcmyk(66.3%, 13.7%, 0%, 25.5%)
CIE-LABlab(62.81, -20.70, -21.90)
CIE-LCHlch(62.81, 30.14, 226.62°)
OKLaboklab(67.11% -0.0775 -0.061)
OKLCHoklch(67.11% 0.099 218.2)
XYZxyz(24.6803, 31.3559, 53.4568)
Luminance0.3136 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A4BE #BE5A40
analogous
#40BE99 #40A4BE #4065BE
triadic
#40A4BE #BE40A4 #A4BE40
tetradic
#40A4BE #9940BE #BE5A40 #65BE40
square
#40A4BE #9940BE #BE5A40 #65BE40
split-complementary
#40A4BE #BE4065 #BE9940
monochromatic
#215562 #317C90 #40A4BE #6DBACE #9BD0DD

Accessibility & contrast

On white

2.89
#40A4BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.27
#40A4BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4BE
7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A4BE#FFFFFF#000000##000000
##40A4BE1.002.897.277.27
#FFFFFF2.891.0021.0021.00
#0000007.2721.001.001.00
##0000007.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#939FBF
Deuteranopia (green-blind)
#8192BE
Tritanopia (blue-blind)
#00ADAC
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #40a4be;
/* rgb */ color: rgb(64, 164, 190);
/* oklch */ color: oklch(67.1% 0.099 218.2);
Tailwind
colors: {
  custom: {
    50: '#83bfd1',
    500: '#40a4be',
    950: '#000000',
  },
}
SCSS
$custom: #40a4be;
$custom-light: #83bfd1;
$custom-dark: #000000;
JSON
{
  "hex": "#40a4be",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 190
  },
  "hsl": {
    "h": 192.381,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.6711,
    "c": 0.09866,
    "h": 218.2
  },
  "luminance": 0.31359
}

Semantic roles & 50–950 ramp

primary
#40A4BE
secondary
#C99C90
accent
#6B4FD9
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #40A4BE

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

Preview Lab → · Contrast checker → · Palette generator →

#40A4BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva