#40BCD7#40BCD7

#40BCD7 is a light, moderate cyan. Relative luminance 0.420; OKLCH L 73.9% C 0.113 H 215.4°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX#40BCD7
RGBrgb(64, 188, 215)
HSLhsl(191, 65%, 55%)
HSVhsv(191, 70%, 84%)
CMYKcmyk(70.2%, 12.6%, 0%, 15.7%)
CIE-LABlab(70.84, -25.19, -23.43)
CIE-LCHlch(70.84, 34.41, 222.93°)
OKLaboklab(73.87% -0.092 -0.0653)
OKLCHoklch(73.87% 0.113 215.4)
XYZxyz(32.3582, 41.9590, 70.6703)
Luminance0.4196 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BCD7 #D75B40
analogous
#40D7A6 #40BCD7 #4071D7
triadic
#40BCD7 #D740BC #BCD740
tetradic
#40BCD7 #A640D7 #D75B40 #71D740
square
#40BCD7 #A640D7 #D75B40 #71D740
split-complementary
#40BCD7 #D74071 #D7A640
monochromatic
#1B6F81 #269BB4 #40BCD7 #73CEE2 #A5E0EC

Accessibility & contrast

On white

2.24
#40BCD7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.39
#40BCD7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BCD7
9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BCD7#FFFFFF#000000##000000
##40BCD71.002.249.399.39
#FFFFFF2.241.0021.0021.00
#0000009.3921.001.001.00
##0000009.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9B6D9
Deuteranopia (green-blind)
#94A7D7
Tritanopia (blue-blind)
#00C6C4
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #40bcd7;
/* rgb */ color: rgb(64, 188, 215);
/* oklch */ color: oklch(73.9% 0.113 215.4);
Tailwind
colors: {
  custom: {
    50: '#88d0e3',
    500: '#40bcd7',
    950: '#000000',
  },
}
SCSS
$custom: #40bcd7;
$custom-light: #88d0e3;
$custom-dark: #000000;
JSON
{
  "hex": "#40bcd7",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 215
  },
  "hsl": {
    "h": 190.728,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.73865,
    "c": 0.1128,
    "h": 215.4
  },
  "luminance": 0.41963
}

Semantic roles & 50–950 ramp

primary
#40BCD7
secondary
#D9A59A
accent
#5E3FE8
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1415
muted
#7E8283

Preview Lab

Preview with #40BCD7

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

Preview Lab → · Contrast checker → · Palette generator →

#40BCD7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva