#40A5CE#40A5CE

#40A5CE is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.0% C 0.110 H 228.7°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#40A5CE
RGBrgb(64, 165, 206)
HSLhsl(197, 59%, 53%)
HSVhsv(197, 69%, 81%)
CMYKcmyk(68.9%, 19.9%, 0%, 19.2%)
CIE-LABlab(63.72, -16.12, -29.42)
CIE-LCHlch(63.72, 33.55, 241.29°)
OKLaboklab(68.04% -0.0725 -0.0824)
OKLCHoklch(68.04% 0.11 228.7)
XYZxyz(26.7056, 32.4535, 63.2373)
Luminance0.3246 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A5CE #CE6940
analogous
#40CEB0 #40A5CE #405ECE
triadic
#40A5CE #CE40A5 #A5CE40
tetradic
#40A5CE #B040CE #CE6940 #5ECE40
square
#40A5CE #B040CE #CE6940 #5ECE40
split-complementary
#40A5CE #CE405E #CEB040
monochromatic
#1E5C75 #2B82A6 #40A5CE #71BCDA #A1D3E7

Accessibility & contrast

On white

2.80
#40A5CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.49
#40A5CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5CE
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A5CE#FFFFFF#000000##000000
##40A5CE1.002.807.497.49
#FFFFFF2.801.0021.0021.00
#0000007.4921.001.001.00
##0000007.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#90A2D0
Deuteranopia (green-blind)
#7C94CD
Tritanopia (blue-blind)
#00B1B2
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #40a5ce;
/* rgb */ color: rgb(64, 165, 206);
/* oklch */ color: oklch(68.0% 0.110 228.7);
Tailwind
colors: {
  custom: {
    50: '#86bfdd',
    500: '#40a5ce',
    950: '#000000',
  },
}
SCSS
$custom: #40a5ce;
$custom-light: #86bfdd;
$custom-dark: #000000;
JSON
{
  "hex": "#40a5ce",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 206
  },
  "hsl": {
    "h": 197.324,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.6804,
    "c": 0.10978,
    "h": 228.7
  },
  "luminance": 0.32456
}

Semantic roles & 50–950 ramp

primary
#40A5CE
secondary
#D4A896
accent
#7345E2
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #40A5CE

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

Preview Lab → · Contrast checker → · Palette generator →

#40A5CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva