#40B9CE#40B9CE

#40B9CE is a light, moderate teal. Relative luminance 0.402; OKLCH L 72.8% C 0.108 H 211.4°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX#40B9CE
RGBrgb(64, 185, 206)
HSLhsl(189, 59%, 53%)
HSVhsv(189, 69%, 81%)
CMYKcmyk(68.9%, 10.2%, 0%, 19.2%)
CIE-LABlab(69.64, -26.46, -20.34)
CIE-LCHlch(69.64, 33.37, 217.56°)
OKLaboklab(72.79% -0.0926 -0.0566)
OKLCHoklch(72.79% 0.109 211.4)
XYZxyz(30.5992, 40.2407, 64.5351)
Luminance0.4024 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B9CE #CE5540
analogous
#40CE9C #40B9CE #4072CE
triadic
#40B9CE #CE40B9 #B9CE40
tetradic
#40B9CE #9C40CE #CE5540 #72CE40
square
#40B9CE #9C40CE #CE5540 #72CE40
split-complementary
#40B9CE #CE4072 #CE9C40
monochromatic
#1E6975 #2B94A6 #40B9CE #71CBDA #A1DDE7

Accessibility & contrast

On white

2.32
#40B9CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.05
#40B9CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9CE
9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B9CE#FFFFFF#000000##000000
##40B9CE1.002.329.059.05
#FFFFFF2.321.0021.0021.00
#0000009.0521.001.001.00
##0000009.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8B3CF
Deuteranopia (green-blind)
#94A4CE
Tritanopia (blue-blind)
#00C2BF
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #40b9ce;
/* rgb */ color: rgb(64, 185, 206);
/* oklch */ color: oklch(72.8% 0.108 211.4);
Tailwind
colors: {
  custom: {
    50: '#87cedd',
    500: '#40b9ce',
    950: '#000000',
  },
}
SCSS
$custom: #40b9ce;
$custom-light: #87cedd;
$custom-dark: #000000;
JSON
{
  "hex": "#40b9ce",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 206
  },
  "hsl": {
    "h": 188.873,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.72793,
    "c": 0.1085,
    "h": 211.4
  },
  "luminance": 0.40244
}

Semantic roles & 50–950 ramp

primary
#40B9CE
secondary
#D49F96
accent
#5D45E2
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #40B9CE

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

Preview Lab → · Contrast checker → · Palette generator →

#40B9CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva