#40A1BE#40A1BE

#40A1BE is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.4% C 0.099 H 221.1°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX#40A1BE
RGBrgb(64, 161, 190)
HSLhsl(194, 50%, 50%)
HSVhsv(194, 66%, 75%)
CMYKcmyk(66.3%, 15.3%, 0%, 25.5%)
CIE-LABlab(61.91, -19.12, -23.28)
CIE-LCHlch(61.91, 30.13, 230.60°)
OKLaboklab(66.39% -0.0744 -0.0649)
OKLCHoklch(66.39% 0.099 221.1)
XYZxyz(24.1497, 30.2948, 53.2800)
Luminance0.3030 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A1BE #BE5D40
analogous
#40BE9C #40A1BE #4062BE
triadic
#40A1BE #BE40A1 #A1BE40
tetradic
#40A1BE #9C40BE #BE5D40 #62BE40
square
#40A1BE #9C40BE #BE5D40 #62BE40
split-complementary
#40A1BE #BE4062 #BE9C40
monochromatic
#215362 #317A90 #40A1BE #6DB8CE #9BCEDD

Accessibility & contrast

On white

2.97
#40A1BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.06
#40A1BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A1BE
7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A1BE#FFFFFF#000000##000000
##40A1BE1.002.977.067.06
#FFFFFF2.971.0021.0021.00
#0000007.0621.001.001.00
##0000007.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#909DC0
Deuteranopia (green-blind)
#7E90BE
Tritanopia (blue-blind)
#00AAAA
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #40a1be;
/* rgb */ color: rgb(64, 161, 190);
/* oklch */ color: oklch(66.4% 0.099 221.1);
Tailwind
colors: {
  custom: {
    50: '#83bdd1',
    500: '#40a1be',
    950: '#000000',
  },
}
SCSS
$custom: #40a1be;
$custom-light: #83bdd1;
$custom-dark: #000000;
JSON
{
  "hex": "#40a1be",
  "rgb": {
    "r": 64,
    "g": 161,
    "b": 190
  },
  "hsl": {
    "h": 193.81,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.66389,
    "c": 0.09875,
    "h": 221.1
  },
  "luminance": 0.30297
}

Semantic roles & 50–950 ramp

primary
#40A1BE
secondary
#C99E90
accent
#6F4FD9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #40A1BE

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

Preview Lab → · Contrast checker → · Palette generator →

#40A1BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva