#40B4B2#40B4B2

#40B4B2 is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.5% C 0.102 H 193.5°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#40B4B2
RGBrgb(64, 180, 178)
HSLhsl(179, 48%, 48%)
HSVhsv(179, 64%, 71%)
CMYKcmyk(64.4%, 0%, 1.1%, 29.4%)
CIE-LABlab(67.23, -32.26, -8.54)
CIE-LCHlch(67.23, 33.37, 194.83°)
OKLaboklab(70.55% -0.0993 -0.0237)
OKLCHoklch(70.55% 0.102 193.5)
XYZxyz(26.4679, 36.9439, 47.8468)
Luminance0.3695 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B4B2 #B44042
analogous
#40B478 #40B4B2 #407CB4
triadic
#40B4B2 #B240B4 #B4B240
tetradic
#40B4B2 #7840B4 #B44042 #7CB440
square
#40B4B2 #7840B4 #B44042 #7CB440
split-complementary
#40B4B2 #B4407C #B47840
monochromatic
#205A59 #308785 #40B4B2 #68C9C8 #95D9D8

Accessibility & contrast

On white

2.50
#40B4B2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#40B4B2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4B2
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B4B2#FFFFFF#000000##000000
##40B4B21.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9ABB2
Deuteranopia (green-blind)
#979EB3
Tritanopia (blue-blind)
#00B9B3
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #40b4b2;
/* rgb */ color: rgb(64, 180, 178);
/* oklch */ color: oklch(70.5% 0.102 193.5);
Tailwind
colors: {
  custom: {
    50: '#84cbc9',
    500: '#40b4b2',
    950: '#000000',
  },
}
SCSS
$custom: #40b4b2;
$custom-light: #84cbc9;
$custom-dark: #000000;
JSON
{
  "hex": "#40b4b2",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 178
  },
  "hsl": {
    "h": 178.966,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.70549,
    "c": 0.10208,
    "h": 193.5
  },
  "luminance": 0.36947
}

Semantic roles & 50–950 ramp

primary
#40B4B2
secondary
#C58B8C
accent
#5153D7
background
#F8FCFC
surface
#F0F8F8
border
#CBD1D1
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B4B2

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

Preview Lab → · Contrast checker → · Palette generator →

#40B4B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva