#40ABDA#40ABDA

#40ABDA is a light, moderate cyan. Relative luminance 0.353; OKLCH L 70.0% C 0.118 H 231.0°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX#40ABDA
RGBrgb(64, 171, 218)
HSLhsl(198, 68%, 55%)
HSVhsv(198, 71%, 85%)
CMYKcmyk(70.6%, 21.6%, 0%, 14.5%)
CIE-LABlab(65.96, -15.42, -32.59)
CIE-LCHlch(65.96, 36.05, 244.68°)
OKLaboklab(69.99% -0.0742 -0.0915)
OKLCHoklch(69.99% 0.118 231)
XYZxyz(29.3271, 35.2744, 71.5791)
Luminance0.3528 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40ABDA #DA6F40
analogous
#40DABC #40ABDA #405EDA
triadic
#40ABDA #DA40AB #ABDA40
tetradic
#40ABDA #BC40DA #DA6F40 #5EDA40
square
#40ABDA #BC40DA #DA6F40 #5EDA40
split-complementary
#40ABDA #DA405E #DABC40
monochromatic
#1A6586 #248BB9 #40ABDA #73C2E4 #A7D8EE

Accessibility & contrast

On white

2.61
#40ABDA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.06
#40ABDA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABDA
8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40ABDA#FFFFFF#000000##000000
##40ABDA1.002.618.068.06
#FFFFFF2.611.0021.0021.00
#0000008.0621.001.001.00
##0000008.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A9DC
Deuteranopia (green-blind)
#7E9AD9
Tritanopia (blue-blind)
#00B8BB
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #40abda;
/* rgb */ color: rgb(64, 171, 218);
/* oklch */ color: oklch(70.0% 0.118 231.0);
Tailwind
colors: {
  custom: {
    50: '#88c4e5',
    500: '#40abda',
    950: '#000000',
  },
}
SCSS
$custom: #40abda;
$custom-light: #88c4e5;
$custom-dark: #000000;
JSON
{
  "hex": "#40abda",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 218
  },
  "hsl": {
    "h": 198.312,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.69992,
    "c": 0.11777,
    "h": 231
  },
  "luminance": 0.35278
}

Semantic roles & 50–950 ramp

primary
#40ABDA
secondary
#DBAE9B
accent
#723DEA
background
#F9FCFE
surface
#F1F8FC
border
#CBD1D5
text
#0D1215
muted
#7E8184

Preview Lab

Preview with #40ABDA

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

Preview Lab → · Contrast checker → · Palette generator →

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