#40A8BE#40A8BE

#40A8BE is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.1% C 0.099 H 214.3°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#40A8BE
RGBrgb(64, 168, 190)
HSLhsl(190, 50%, 50%)
HSVhsv(190, 66%, 75%)
CMYKcmyk(66.3%, 11.6%, 0%, 25.5%)
CIE-LABlab(64.01, -22.77, -20.07)
CIE-LCHlch(64.01, 30.35, 221.40°)
OKLaboklab(68.07% -0.0817 -0.0558)
OKLCHoklch(68.07% 0.099 214.3)
XYZxyz(25.4074, 32.8102, 53.6992)
Luminance0.3281 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A8BE #BE5640
analogous
#40BE95 #40A8BE #4069BE
triadic
#40A8BE #BE40A8 #A8BE40
tetradic
#40A8BE #9540BE #BE5640 #69BE40
square
#40A8BE #9540BE #BE5640 #69BE40
split-complementary
#40A8BE #BE4069 #BE9540
monochromatic
#215762 #318090 #40A8BE #6DBDCE #9BD2DD

Accessibility & contrast

On white

2.78
#40A8BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.56
#40A8BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A8BE
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A8BE#FFFFFF#000000##000000
##40A8BE1.002.787.567.56
#FFFFFF2.781.0021.0021.00
#0000007.5621.001.001.00
##0000007.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#98A3BF
Deuteranopia (green-blind)
#8695BE
Tritanopia (blue-blind)
#00B0AF
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #40a8be;
/* rgb */ color: rgb(64, 168, 190);
/* oklch */ color: oklch(68.1% 0.099 214.3);
Tailwind
colors: {
  custom: {
    50: '#84c2d1',
    500: '#40a8be',
    950: '#000000',
  },
}
SCSS
$custom: #40a8be;
$custom-light: #84c2d1;
$custom-dark: #000000;
JSON
{
  "hex": "#40a8be",
  "rgb": {
    "r": 64,
    "g": 168,
    "b": 190
  },
  "hsl": {
    "h": 190.476,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.68074,
    "c": 0.09895,
    "h": 214.3
  },
  "luminance": 0.32813
}

Semantic roles & 50–950 ramp

primary
#40A8BE
secondary
#C99A90
accent
#674FD9
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #40A8BE

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

Preview Lab → · Contrast checker → · Palette generator →

#40A8BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva