#40BEE1#40BEE1

#40BEE1 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 74.7% C 0.118 H 220.4°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX#40BEE1
RGBrgb(64, 190, 225)
HSLhsl(193, 73%, 57%)
HSVhsv(193, 72%, 88%)
CMYKcmyk(71.6%, 15.6%, 0%, 11.8%)
CIE-LABlab(71.79, -23.08, -27.43)
CIE-LCHlch(71.79, 35.85, 229.92°)
OKLaboklab(74.75% -0.0901 -0.0766)
OKLCHoklch(74.75% 0.118 220.4)
XYZxyz(34.1128, 43.3492, 77.7889)
Luminance0.4335 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BEE1 #E16340
analogous
#40E1B3 #40BEE1 #406EE1
triadic
#40BEE1 #E140BE #BEE140
tetradic
#40BEE1 #B340E1 #E16340 #6EE140
square
#40BEE1 #B340E1 #E16340 #6EE140
split-complementary
#40BEE1 #E1406E #E1B340
monochromatic
#177690 #1FA1C5 #40BEE1 #75D0E9 #AAE2F2

Accessibility & contrast

On white

2.17
#40BEE1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.67
#40BEE1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BEE1
9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BEE1#FFFFFF#000000##000000
##40BEE11.002.179.679.67
#FFFFFF2.171.0021.0021.00
#0000009.6721.001.001.00
##0000009.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9B9E3
Deuteranopia (green-blind)
#93A9E1
Tritanopia (blue-blind)
#00C9C9
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #40bee1;
/* rgb */ color: rgb(64, 190, 225);
/* oklch */ color: oklch(74.7% 0.118 220.4);
Tailwind
colors: {
  custom: {
    50: '#8ad1ea',
    500: '#40bee1',
    950: '#000000',
  },
}
SCSS
$custom: #40bee1;
$custom-light: #8ad1ea;
$custom-dark: #000000;
JSON
{
  "hex": "#40bee1",
  "rgb": {
    "r": 64,
    "g": 190,
    "b": 225
  },
  "hsl": {
    "h": 193.043,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.74747,
    "c": 0.11826,
    "h": 220.4
  },
  "luminance": 0.43353
}

Semantic roles & 50–950 ramp

primary
#40BEE1
secondary
#DFAC9D
accent
#6038F0
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0D1416
muted
#7E8284

Preview Lab

Preview with #40BEE1

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

Preview Lab → · Contrast checker → · Palette generator →

#40BEE1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva