#40A4B3#40A4B3

#40A4B3 is a light, moderate teal. Relative luminance 0.309; OKLCH L 66.7% C 0.094 H 208.9°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#40A4B3
RGBrgb(64, 164, 179)
HSLhsl(188, 47%, 48%)
HSVhsv(188, 64%, 70%)
CMYKcmyk(64.2%, 8.4%, 0%, 29.8%)
CIE-LABlab(62.42, -24.08, -16.34)
CIE-LCHlch(62.42, 29.10, 214.15°)
OKLaboklab(66.67% -0.082 -0.0453)
OKLCHoklch(66.67% 0.094 208.9)
XYZxyz(23.5231, 30.8931, 47.3623)
Luminance0.3090 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A4B3 #B34F40
analogous
#40B388 #40A4B3 #406BB3
triadic
#40A4B3 #B340A4 #A4B340
tetradic
#40A4B3 #8840B3 #B34F40 #6BB340
square
#40A4B3 #8840B3 #B34F40 #6BB340
split-complementary
#40A4B3 #B3406B #B38840
monochromatic
#205159 #307B86 #40A4B3 #67BCC9 #94D0D9

Accessibility & contrast

On white

2.93
#40A4B3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.18
#40A4B3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4B3
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A4B3#FFFFFF#000000##000000
##40A4B31.002.937.187.18
#FFFFFF2.931.0021.0021.00
#0000007.1821.001.001.00
##0000007.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#969EB4
Deuteranopia (green-blind)
#8592B3
Tritanopia (blue-blind)
#00ABA8
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #40a4b3;
/* rgb */ color: rgb(64, 164, 179);
/* oklch */ color: oklch(66.7% 0.094 208.9);
Tailwind
colors: {
  custom: {
    50: '#82bfc9',
    500: '#40a4b3',
    950: '#000000',
  },
}
SCSS
$custom: #40a4b3;
$custom-light: #82bfc9;
$custom-dark: #000000;
JSON
{
  "hex": "#40a4b3",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 179
  },
  "hsl": {
    "h": 187.826,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.66668,
    "c": 0.09369,
    "h": 208.9
  },
  "luminance": 0.30896
}

Semantic roles & 50–950 ramp

primary
#40A4B3
secondary
#C4928A
accent
#6251D7
background
#F8FBFC
surface
#F0F7F8
border
#CBD0D1
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #40A4B3

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

Preview Lab → · Contrast checker → · Palette generator →

#40A4B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva