#40ACC7#40ACC7

#40ACC7 is a light, moderate cyan. Relative luminance 0.347; OKLCH L 69.4% C 0.104 H 217.6°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#40ACC7
RGBrgb(64, 172, 199)
HSLhsl(192, 55%, 52%)
HSVhsv(192, 68%, 78%)
CMYKcmyk(67.8%, 13.6%, 0%, 22%)
CIE-LABlab(65.53, -22.03, -22.76)
CIE-LCHlch(65.53, 31.67, 225.93°)
OKLaboklab(69.4% -0.0822 -0.0634)
OKLCHoklch(69.4% 0.104 217.6)
XYZxyz(27.1714, 34.7155, 59.2905)
Luminance0.3472 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40ACC7 #C75B40
analogous
#40C79F #40ACC7 #4069C7
triadic
#40ACC7 #C740AC #ACC740
tetradic
#40ACC7 #9F40C7 #C75B40 #69C740
square
#40ACC7 #9F40C7 #C75B40 #69C740
split-complementary
#40ACC7 #C74069 #C79F40
monochromatic
#205D6D #2E869C #40ACC7 #6FC1D5 #9FD5E3

Accessibility & contrast

On white

2.64
#40ACC7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.94
#40ACC7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ACC7
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40ACC7#FFFFFF#000000##000000
##40ACC71.002.647.947.94
#FFFFFF2.641.0021.0021.00
#0000007.9421.001.001.00
##0000007.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AA7C8
Deuteranopia (green-blind)
#8799C7
Tritanopia (blue-blind)
#00B5B4
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #40acc7;
/* rgb */ color: rgb(64, 172, 199);
/* oklch */ color: oklch(69.4% 0.104 217.6);
Tailwind
colors: {
  custom: {
    50: '#85c5d8',
    500: '#40acc7',
    950: '#000000',
  },
}
SCSS
$custom: #40acc7;
$custom-light: #85c5d8;
$custom-dark: #000000;
JSON
{
  "hex": "#40acc7",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 199
  },
  "hsl": {
    "h": 192,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.69402,
    "c": 0.10384,
    "h": 217.6
  },
  "luminance": 0.34719
}

Semantic roles & 50–950 ramp

primary
#40ACC7
secondary
#CFA094
accent
#674ADE
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #40ACC7

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

Preview Lab → · Contrast checker → · Palette generator →

#40ACC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva