#40B8CA#40B8CA

#40B8CA is a light, moderate teal. Relative luminance 0.396; OKLCH L 72.4% C 0.107 H 209.3°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX#40B8CA
RGBrgb(64, 184, 202)
HSLhsl(188, 57%, 52%)
HSVhsv(188, 68%, 79%)
CMYKcmyk(68.3%, 8.9%, 0%, 20.8%)
CIE-LABlab(69.21, -27.17, -18.81)
CIE-LCHlch(69.21, 33.05, 214.69°)
OKLaboklab(72.4% -0.0932 -0.0523)
OKLCHoklch(72.4% 0.107 209.3)
XYZxyz(29.9110, 39.6318, 61.9390)
Luminance0.3963 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B8CA #CA5240
analogous
#40CA97 #40B8CA #4073CA
triadic
#40B8CA #CA40B8 #B8CA40
tetradic
#40B8CA #9740CA #CA5240 #73CA40
square
#40B8CA #9740CA #CA5240 #73CA40
split-complementary
#40B8CA #CA4073 #CA9740
monochromatic
#1F6670 #2C91A0 #40B8CA #70CAD7 #A0DCE5

Accessibility & contrast

On white

2.35
#40B8CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.93
#40B8CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8CA
8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B8CA#FFFFFF#000000##000000
##40B8CA1.002.358.938.93
#FFFFFF2.351.0021.0021.00
#0000008.9321.001.001.00
##0000008.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8B1CB
Deuteranopia (green-blind)
#94A3CA
Tritanopia (blue-blind)
#00C0BD
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #40b8ca;
/* rgb */ color: rgb(64, 184, 202);
/* oklch */ color: oklch(72.4% 0.107 209.3);
Tailwind
colors: {
  custom: {
    50: '#87cdda',
    500: '#40b8ca',
    950: '#000000',
  },
}
SCSS
$custom: #40b8ca;
$custom-light: #87cdda;
$custom-dark: #000000;
JSON
{
  "hex": "#40b8ca",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 202
  },
  "hsl": {
    "h": 187.826,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.72398,
    "c": 0.10685,
    "h": 209.3
  },
  "luminance": 0.39635
}

Semantic roles & 50–950 ramp

primary
#40B8CA
secondary
#D19D95
accent
#5C48E0
background
#F8FCFD
surface
#F0F9FA
border
#CBD2D3
text
#0D1314
muted
#7D8283

Preview Lab

Preview with #40B8CA

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

Preview Lab → · Contrast checker → · Palette generator →

#40B8CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva