#40A7C0#40A7C0

#40A7C0 is a light, moderate cyan. Relative luminance 0.325; OKLCH L 67.9% C 0.100 H 216.9°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX#40A7C0
RGBrgb(64, 167, 192)
HSLhsl(192, 50%, 50%)
HSVhsv(192, 67%, 75%)
CMYKcmyk(66.7%, 13%, 0%, 24.7%)
CIE-LABlab(63.78, -21.63, -21.54)
CIE-LCHlch(63.78, 30.52, 224.87°)
OKLaboklab(67.91% -0.0799 -0.06)
OKLCHoklch(67.91% 0.1 216.9)
XYZxyz(25.4436, 32.5304, 54.7970)
Luminance0.3253 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A7C0 #C05940
analogous
#40C099 #40A7C0 #4067C0
triadic
#40A7C0 #C040A7 #A7C040
tetradic
#40A7C0 #9940C0 #C05940 #67C040
square
#40A7C0 #9940C0 #C05940 #67C040
split-complementary
#40A7C0 #C04067 #C09940
monochromatic
#215764 #307F92 #40A7C0 #6EBCCF #9CD1DE

Accessibility & contrast

On white

2.80
#40A7C0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.51
#40A7C0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A7C0
7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A7C0#FFFFFF#000000##000000
##40A7C01.002.807.517.51
#FFFFFF2.801.0021.0021.00
#0000007.5121.001.001.00
##0000007.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#96A2C1
Deuteranopia (green-blind)
#8495C0
Tritanopia (blue-blind)
#00B0AF
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #40a7c0;
/* rgb */ color: rgb(64, 167, 192);
/* oklch */ color: oklch(67.9% 0.100 216.9);
Tailwind
colors: {
  custom: {
    50: '#84c1d3',
    500: '#40a7c0',
    950: '#000000',
  },
}
SCSS
$custom: #40a7c0;
$custom-light: #84c1d3;
$custom-dark: #000000;
JSON
{
  "hex": "#40a7c0",
  "rgb": {
    "r": 64,
    "g": 167,
    "b": 192
  },
  "hsl": {
    "h": 191.719,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.67914,
    "c": 0.09986,
    "h": 216.9
  },
  "luminance": 0.32533
}

Semantic roles & 50–950 ramp

primary
#40A7C0
secondary
#CB9C91
accent
#694EDA
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #40A7C0

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

Preview Lab → · Contrast checker → · Palette generator →

#40A7C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva