#40C2DF#40C2DF

#40C2DF is a light, moderate cyan. Relative luminance 0.450; OKLCH L 75.6% C 0.117 H 216.0°. Best body text is #000000 at 10.00:1 contrast (WCAG AA passes).

Color values

HEX#40C2DF
RGBrgb(64, 194, 223)
HSLhsl(191, 71%, 56%)
HSVhsv(191, 71%, 87%)
CMYKcmyk(71.3%, 13%, 0%, 12.5%)
CIE-LABlab(72.89, -25.72, -24.66)
CIE-LCHlch(72.89, 35.63, 223.79°)
OKLaboklab(75.61% -0.0947 -0.0687)
OKLCHoklch(75.61% 0.117 216)
XYZxyz(34.7198, 44.9972, 76.6532)
Luminance0.4500 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C2DF #DF5D40
analogous
#40DFAC #40C2DF #4073DF
triadic
#40C2DF #DF40C2 #C2DF40
tetradic
#40C2DF #AC40DF #DF5D40 #73DF40
square
#40C2DF #AC40DF #DF5D40 #73DF40
split-complementary
#40C2DF #DF4073 #DFAC40
monochromatic
#18788D #20A4C1 #40C2DF #74D3E8 #A9E3F1

Accessibility & contrast

On white

2.10
#40C2DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.00
#40C2DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C2DF
10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C2DF#FFFFFF#000000##000000
##40C2DF1.002.1010.0010.00
#FFFFFF2.101.0021.0021.00
#00000010.0021.001.001.00
##00000010.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEBCE1
Deuteranopia (green-blind)
#98ACDF
Tritanopia (blue-blind)
#00CCCB
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #40c2df;
/* rgb */ color: rgb(64, 194, 223);
/* oklch */ color: oklch(75.6% 0.117 216.0);
Tailwind
colors: {
  custom: {
    50: '#8ad4e9',
    500: '#40c2df',
    950: '#000000',
  },
}
SCSS
$custom: #40c2df;
$custom-light: #8ad4e9;
$custom-dark: #000000;
JSON
{
  "hex": "#40c2df",
  "rgb": {
    "r": 64,
    "g": 194,
    "b": 223
  },
  "hsl": {
    "h": 190.943,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.75606,
    "c": 0.11705,
    "h": 216
  },
  "luminance": 0.45001
}

Semantic roles & 50–950 ramp

primary
#40C2DF
secondary
#DEA99D
accent
#5B3AEE
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0D1416
muted
#7E8384

Preview Lab

Preview with #40C2DF

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

Preview Lab → · Contrast checker → · Palette generator →

#40C2DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva