#40A0D3#40A0D3

#40A0D3 is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.1% C 0.116 H 235.6°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX#40A0D3
RGBrgb(64, 160, 211)
HSLhsl(201, 63%, 54%)
HSVhsv(201, 70%, 83%)
CMYKcmyk(69.7%, 24.2%, 0%, 17.3%)
CIE-LABlab(62.45, -11.76, -34.17)
CIE-LCHlch(62.45, 36.13, 251.01°)
OKLaboklab(67.1% -0.0658 -0.0961)
OKLCHoklch(67.1% 0.116 235.6)
XYZxyz(26.4384, 30.9318, 66.1925)
Luminance0.3094 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A0D3 #D37340
analogous
#40D3BC #40A0D3 #4057D3
triadic
#40A0D3 #D340A0 #A0D340
tetradic
#40A0D3 #BC40D3 #D37340 #57D340
square
#40A0D3 #BC40D3 #D37340 #57D340
split-complementary
#40A0D3 #D34057 #D3BC40
monochromatic
#1D5B7C #287FAE #40A0D3 #72B9DE #A3D1EA

Accessibility & contrast

On white

2.92
#40A0D3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.19
#40A0D3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A0D3
7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A0D3#FFFFFF#000000##000000
##40A0D31.002.927.197.19
#FFFFFF2.921.0021.0021.00
#0000007.1921.001.001.00
##0000007.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#889FD5
Deuteranopia (green-blind)
#7391D2
Tritanopia (blue-blind)
#00ADB1
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #40a0d3;
/* rgb */ color: rgb(64, 160, 211);
/* oklch */ color: oklch(67.1% 0.116 235.6);
Tailwind
colors: {
  custom: {
    50: '#86bce0',
    500: '#40a0d3',
    950: '#000000',
  },
}
SCSS
$custom: #40a0d3;
$custom-light: #86bce0;
$custom-dark: #000000;
JSON
{
  "hex": "#40a0d3",
  "rgb": {
    "r": 64,
    "g": 160,
    "b": 211
  },
  "hsl": {
    "h": 200.816,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.67099,
    "c": 0.11645,
    "h": 235.6
  },
  "luminance": 0.30935
}

Semantic roles & 50–950 ramp

primary
#40A0D3
secondary
#D7AE98
accent
#7B42E6
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #40A0D3

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

Preview Lab → · Contrast checker → · Palette generator →

#40A0D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva