#40C9B8#40C9B8

#40C9B8 is a light, moderate teal. Relative luminance 0.463; OKLCH L 75.9% C 0.118 H 183.2°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX#40C9B8
RGBrgb(64, 201, 184)
HSLhsl(173, 56%, 52%)
HSVhsv(173, 68%, 79%)
CMYKcmyk(68.2%, 0%, 8.5%, 21.2%)
CIE-LABlab(73.75, -40.31, -2.19)
CIE-LCHlch(73.75, 40.37, 183.12°)
OKLaboklab(75.9% -0.1182 -0.0066)
OKLCHoklch(75.9% 0.118 183.2)
XYZxyz(31.6486, 46.3204, 52.6109)
Luminance0.4632 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C9B8 #C94051
analogous
#40C974 #40C9B8 #4095C9
triadic
#40C9B8 #B840C9 #C9B840
tetradic
#40C9B8 #7440C9 #C94051 #95C940
square
#40C9B8 #7440C9 #C94051 #95C940
split-complementary
#40C9B8 #C94095 #C97440
monochromatic
#1F6F65 #2D9F91 #40C9B8 #70D6CA #9FE4DB

Accessibility & contrast

On white

2.05
#40C9B8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.26
#40C9B8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C9B8
10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C9B8#FFFFFF#000000##000000
##40C9B81.002.0510.2610.26
#FFFFFF2.051.0021.0021.00
#00000010.2621.001.001.00
##00000010.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0BEB7
Deuteranopia (green-blind)
#ACAFBA
Tritanopia (blue-blind)
#00CDC4
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #40c9b8;
/* rgb */ color: rgb(64, 201, 184);
/* oklch */ color: oklch(75.9% 0.118 183.2);
Tailwind
colors: {
  custom: {
    50: '#87dacd',
    500: '#40c9b8',
    950: '#000000',
  },
}
SCSS
$custom: #40c9b8;
$custom-light: #87dacd;
$custom-dark: #000000;
JSON
{
  "hex": "#40c9b8",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 184
  },
  "hsl": {
    "h": 172.555,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.75901,
    "c": 0.11835,
    "h": 183.2
  },
  "luminance": 0.46324
}

Semantic roles & 50–950 ramp

primary
#40C9B8
secondary
#D0949C
accent
#495BDF
background
#F9FDFC
surface
#F1FBF8
border
#CBD4D1
text
#0D1513
muted
#7E8382

Preview Lab

Preview with #40C9B8

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

Preview Lab → · Contrast checker → · Palette generator →

#40C9B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva