#40A0BF#40A0BF

#40A0BF is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.2% C 0.100 H 222.8°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX#40A0BF
RGBrgb(64, 160, 191)
HSLhsl(195, 50%, 50%)
HSVhsv(195, 66%, 75%)
CMYKcmyk(66.5%, 16.2%, 0%, 25.1%)
CIE-LABlab(61.65, -18.28, -24.24)
CIE-LCHlch(61.65, 30.36, 232.98°)
OKLaboklab(66.19% -0.073 -0.0676)
OKLCHoklch(66.19% 0.1 222.8)
XYZxyz(24.0853, 29.9906, 53.7995)
Luminance0.2999 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A0BF #BF5F40
analogous
#40BF9F #40A0BF #4060BF
triadic
#40A0BF #BF40A0 #A0BF40
tetradic
#40A0BF #9F40BF #BF5F40 #60BF40
square
#40A0BF #9F40BF #BF5F40 #60BF40
split-complementary
#40A0BF #BF4060 #BF9F40
monochromatic
#215363 #317A91 #40A0BF #6EB7CE #9CCEDE

Accessibility & contrast

On white

3.00
#40A0BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

7.00
#40A0BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A0BF
7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A0BF#FFFFFF#000000##000000
##40A0BF1.003.007.007.00
#FFFFFF3.001.0021.0021.00
#0000007.0021.001.001.00
##0000007.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E9CC1
Deuteranopia (green-blind)
#7C8FBF
Tritanopia (blue-blind)
#00AAAA
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #40a0bf;
/* rgb */ color: rgb(64, 160, 191);
/* oklch */ color: oklch(66.2% 0.100 222.8);
Tailwind
colors: {
  custom: {
    50: '#83bcd2',
    500: '#40a0bf',
    950: '#000000',
  },
}
SCSS
$custom: #40a0bf;
$custom-light: #83bcd2;
$custom-dark: #000000;
JSON
{
  "hex": "#40a0bf",
  "rgb": {
    "r": 64,
    "g": 160,
    "b": 191
  },
  "hsl": {
    "h": 194.646,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.66192,
    "c": 0.09952,
    "h": 222.8
  },
  "luminance": 0.29993
}

Semantic roles & 50–950 ramp

primary
#40A0BF
secondary
#CA9F91
accent
#704ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #40A0BF

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

Preview Lab → · Contrast checker → · Palette generator →

#40A0BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva