#40C1E0#40C1E0

#40C1E0 is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.4% C 0.118 H 217.4°. Best body text is #000000 at 9.92:1 contrast (WCAG AA passes).

Color values

HEX#40C1E0
RGBrgb(64, 193, 224)
HSLhsl(192, 72%, 56%)
HSVhsv(192, 71%, 88%)
CMYKcmyk(71.4%, 13.8%, 0%, 12.2%)
CIE-LABlab(72.63, -24.91, -25.60)
CIE-LCHlch(72.63, 35.72, 225.78°)
OKLaboklab(75.41% -0.0934 -0.0714)
OKLCHoklch(75.41% 0.118 217.4)
XYZxyz(34.6332, 44.6077, 77.2914)
Luminance0.4461 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C1E0 #E05F40
analogous
#40E0AF #40C1E0 #4071E0
triadic
#40C1E0 #E040C1 #C1E040
tetradic
#40C1E0 #AF40E0 #E05F40 #71E040
square
#40C1E0 #AF40E0 #E05F40 #71E040
split-complementary
#40C1E0 #E04071 #E0AF40
monochromatic
#17778E #20A3C3 #40C1E0 #75D2E9 #A9E3F1

Accessibility & contrast

On white

2.12
#40C1E0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.92
#40C1E0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C1E0
9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C1E0#FFFFFF#000000##000000
##40C1E01.002.129.929.92
#FFFFFF2.121.0021.0021.00
#0000009.9221.001.001.00
##0000009.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADBBE2
Deuteranopia (green-blind)
#97ABE0
Tritanopia (blue-blind)
#00CCCB
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #40c1e0;
/* rgb */ color: rgb(64, 193, 224);
/* oklch */ color: oklch(75.4% 0.118 217.4);
Tailwind
colors: {
  custom: {
    50: '#8ad4e9',
    500: '#40c1e0',
    950: '#000000',
  },
}
SCSS
$custom: #40c1e0;
$custom-light: #8ad4e9;
$custom-dark: #000000;
JSON
{
  "hex": "#40c1e0",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 224
  },
  "hsl": {
    "h": 191.625,
    "s": 72.072,
    "l": 56.471
  },
  "oklch": {
    "l": 0.75411,
    "c": 0.11755,
    "h": 217.4
  },
  "luminance": 0.44612
}

Semantic roles & 50–950 ramp

primary
#40C1E0
secondary
#DFAA9D
accent
#5C39EF
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0D1416
muted
#7E8384

Preview Lab

Preview with #40C1E0

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

Preview Lab → · Contrast checker → · Palette generator →

#40C1E0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva