#40A4CE#40A4CE

#40A4CE is a light, moderate cyan. Relative luminance 0.321; OKLCH L 67.8% C 0.110 H 229.5°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX#40A4CE
RGBrgb(64, 164, 206)
HSLhsl(198, 59%, 53%)
HSVhsv(198, 69%, 81%)
CMYKcmyk(68.9%, 20.4%, 0%, 19.2%)
CIE-LABlab(63.42, -15.58, -29.88)
CIE-LCHlch(63.42, 33.70, 242.46°)
OKLaboklab(67.8% -0.0715 -0.0837)
OKLCHoklch(67.8% 0.11 229.5)
XYZxyz(26.5259, 32.0942, 63.1774)
Luminance0.3210 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A4CE #CE6A40
analogous
#40CEB1 #40A4CE #405DCE
triadic
#40A4CE #CE40A4 #A4CE40
tetradic
#40A4CE #B140CE #CE6A40 #5DCE40
square
#40A4CE #B140CE #CE6A40 #5DCE40
split-complementary
#40A4CE #CE405D #CEB140
monochromatic
#1E5C75 #2B82A6 #40A4CE #71BBDA #A1D2E7

Accessibility & contrast

On white

2.83
#40A4CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.42
#40A4CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4CE
7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A4CE#FFFFFF#000000##000000
##40A4CE1.002.837.427.42
#FFFFFF2.831.0021.0021.00
#0000007.4221.001.001.00
##0000007.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8EA2D0
Deuteranopia (green-blind)
#7B93CD
Tritanopia (blue-blind)
#00B0B2
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #40a4ce;
/* rgb */ color: rgb(64, 164, 206);
/* oklch */ color: oklch(67.8% 0.110 229.5);
Tailwind
colors: {
  custom: {
    50: '#85bfdd',
    500: '#40a4ce',
    950: '#000000',
  },
}
SCSS
$custom: #40a4ce;
$custom-light: #85bfdd;
$custom-dark: #000000;
JSON
{
  "hex": "#40a4ce",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 206
  },
  "hsl": {
    "h": 197.746,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.67804,
    "c": 0.11012,
    "h": 229.5
  },
  "luminance": 0.32097
}

Semantic roles & 50–950 ramp

primary
#40A4CE
secondary
#D4A896
accent
#7445E2
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #40A4CE

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

Preview Lab → · Contrast checker → · Palette generator →

#40A4CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva