#40BAD9#40BAD9

#40BAD9 is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.5% C 0.114 H 218.4°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX#40BAD9
RGBrgb(64, 186, 217)
HSLhsl(192, 67%, 55%)
HSVhsv(192, 71%, 85%)
CMYKcmyk(70.5%, 14.3%, 0%, 14.9%)
CIE-LABlab(70.33, -23.56, -25.32)
CIE-LCHlch(70.33, 34.58, 227.06°)
OKLaboklab(73.47% -0.0892 -0.0706)
OKLCHoklch(73.47% 0.114 218.4)
XYZxyz(32.1924, 41.2138, 71.8906)
Luminance0.4122 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BAD9 #D95F40
analogous
#40D9AC #40BAD9 #406DD9
triadic
#40BAD9 #D940BA #BAD940
tetradic
#40BAD9 #AC40D9 #D95F40 #6DD940
square
#40BAD9 #AC40D9 #D95F40 #6DD940
split-complementary
#40BAD9 #D9406D #D9AC40
monochromatic
#1A6F84 #249AB7 #40BAD9 #73CCE3 #A6DFED

Accessibility & contrast

On white

2.27
#40BAD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.24
#40BAD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BAD9
9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BAD9#FFFFFF#000000##000000
##40BAD91.002.279.249.24
#FFFFFF2.271.0021.0021.00
#0000009.2421.001.001.00
##0000009.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6B5DB
Deuteranopia (green-blind)
#91A5D9
Tritanopia (blue-blind)
#00C5C4
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #40bad9;
/* rgb */ color: rgb(64, 186, 217);
/* oklch */ color: oklch(73.5% 0.114 218.4);
Tailwind
colors: {
  custom: {
    50: '#88cfe4',
    500: '#40bad9',
    950: '#000000',
  },
}
SCSS
$custom: #40bad9;
$custom-light: #88cfe4;
$custom-dark: #000000;
JSON
{
  "hex": "#40bad9",
  "rgb": {
    "r": 64,
    "g": 186,
    "b": 217
  },
  "hsl": {
    "h": 192.157,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.73473,
    "c": 0.11381,
    "h": 218.4
  },
  "luminance": 0.41218
}

Semantic roles & 50–950 ramp

primary
#40BAD9
secondary
#DAA79A
accent
#613EEA
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #40BAD9

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

Preview Lab → · Contrast checker → · Palette generator →

#40BAD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva