#40ABC3#40ABC3

#40ABC3 is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.0% C 0.102 H 215.5°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX#40ABC3
RGBrgb(64, 171, 195)
HSLhsl(191, 52%, 51%)
HSVhsv(191, 67%, 76%)
CMYKcmyk(67.2%, 12.3%, 0%, 23.5%)
CIE-LABlab(65.08, -22.76, -21.21)
CIE-LCHlch(65.08, 31.11, 222.98°)
OKLaboklab(69% -0.0828 -0.059)
OKLCHoklch(69% 0.102 215.5)
XYZxyz(26.5235, 34.1530, 56.8135)
Luminance0.3416 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40ABC3 #C35840
analogous
#40C399 #40ABC3 #4069C3
triadic
#40ABC3 #C340AB #ABC340
tetradic
#40ABC3 #9940C3 #C35840 #69C340
square
#40ABC3 #9940C3 #C35840 #69C340
split-complementary
#40ABC3 #C34069 #C39940
monochromatic
#215B68 #2F8497 #40ABC3 #6FBFD2 #9DD4E0

Accessibility & contrast

On white

2.68
#40ABC3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.83
#40ABC3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABC3
7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40ABC3#FFFFFF#000000##000000
##40ABC31.002.687.837.83
#FFFFFF2.681.0021.0021.00
#0000007.8321.001.001.00
##0000007.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AA6C4
Deuteranopia (green-blind)
#8898C3
Tritanopia (blue-blind)
#00B4B2
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #40abc3;
/* rgb */ color: rgb(64, 171, 195);
/* oklch */ color: oklch(69.0% 0.102 215.5);
Tailwind
colors: {
  custom: {
    50: '#85c4d5',
    500: '#40abc3',
    950: '#000000',
  },
}
SCSS
$custom: #40abc3;
$custom-light: #85c4d5;
$custom-dark: #000000;
JSON
{
  "hex": "#40abc3",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 195
  },
  "hsl": {
    "h": 190.992,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.68999,
    "c": 0.10169,
    "h": 215.5
  },
  "luminance": 0.34156
}

Semantic roles & 50–950 ramp

primary
#40ABC3
secondary
#CC9D92
accent
#664CDC
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #40ABC3

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

Preview Lab → · Contrast checker → · Palette generator →

#40ABC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva