#256B66#256B66

#256B66 is a mid, moderate teal. Relative luminance 0.119; OKLCH L 48.3% C 0.069 H 188.5°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX#256B66
RGBrgb(37, 107, 102)
HSLhsl(176, 49%, 28%)
HSVhsv(176, 65%, 42%)
CMYKcmyk(65.4%, 0%, 4.7%, 58%)
CIE-LABlab(41.00, -22.83, -3.65)
CIE-LCHlch(41.00, 23.12, 189.08°)
OKLaboklab(48.3% -0.0686 -0.0102)
OKLCHoklch(48.3% 0.069 188.5)
XYZxyz(8.4178, 11.8671, 14.4147)
Luminance0.1187 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256B66 #6B252A
analogous
#256B43 #256B66 #254D6B
triadic
#256B66 #66256B #6B6625
tetradic
#256B66 #43256B #6B252A #4D6B25
square
#256B66 #43256B #6B252A #4D6B25
split-complementary
#256B66 #6B254D #6B4325
monochromatic
#081716 #153E3B #256B66 #359891 #4AC0B8

Accessibility & contrast

On white

6.22
#256B66 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#256B66 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B66
6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256B66#FFFFFF#000000##FFFFFF
##256B661.006.223.376.22
#FFFFFF6.221.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#656566
Deuteranopia (green-blind)
#5A5D67
Tritanopia (blue-blind)
#006E69
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #256b66;
/* rgb */ color: rgb(37, 107, 102);
/* oklch */ color: oklch(48.3% 0.069 188.5);
Tailwind
colors: {
  custom: {
    50: '#699591',
    500: '#256b66',
    950: '#000000',
  },
}
SCSS
$custom: #256b66;
$custom-light: #699591;
$custom-dark: #000000;
JSON
{
  "hex": "#256b66",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 102
  },
  "hsl": {
    "h": 175.714,
    "s": 48.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.48297,
    "c": 0.06934,
    "h": 188.5
  },
  "luminance": 0.11868
}

Semantic roles & 50–950 ramp

primary
#256B66
secondary
#9E4E54
accent
#5059D8
background
#F6F9F8
surface
#EBF2F0
border
#C6CCCB
text
#070D0C
muted
#7A7E7D

Preview Lab

Preview with #256B66

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

Preview Lab → · Contrast checker → · Palette generator →

#256B66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva