#256D5B#256D5B

#256D5B is a mid, moderate teal. Relative luminance 0.121; OKLCH L 48.5% C 0.077 H 173.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#256D5B
RGBrgb(37, 109, 91)
HSLhsl(165, 49%, 29%)
HSVhsv(165, 66%, 43%)
CMYKcmyk(66.1%, 0%, 16.5%, 57.3%)
CIE-LABlab(41.35, -27.00, 3.53)
CIE-LCHlch(41.35, 27.23, 172.56°)
OKLaboklab(48.47% -0.0765 0.0089)
OKLCHoklch(48.47% 0.077 173.4)
XYZxyz(8.1190, 12.0851, 11.8003)
Luminance0.1209 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256D5B #6D2537
analogous
#256D37 #256D5B #255B6D
triadic
#256D5B #5B256D #6D5B25
tetradic
#256D5B #37256D #6D2537 #5B6D25
square
#256D5B #37256D #6D2537 #5B6D25
split-complementary
#256D5B #6D255B #6D3725
monochromatic
#081713 #153F35 #256D5B #359B81 #4BC2A4

Accessibility & contrast

On white

6.15
#256D5B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#256D5B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D5B
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256D5B#FFFFFF#000000##FFFFFF
##256D5B1.006.153.426.15
#FFFFFF6.151.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#69665A
Deuteranopia (green-blind)
#5F5E5C
Tritanopia (blue-blind)
#006E68
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #256d5b;
/* rgb */ color: rgb(37, 109, 91);
/* oklch */ color: oklch(48.5% 0.077 173.4);
Tailwind
colors: {
  custom: {
    50: '#699789',
    500: '#256d5b',
    950: '#000000',
  },
}
SCSS
$custom: #256d5b;
$custom-light: #699789;
$custom-dark: #000000;
JSON
{
  "hex": "#256d5b",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 91
  },
  "hsl": {
    "h": 165,
    "s": 49.315,
    "l": 28.627
  },
  "oklch": {
    "l": 0.48471,
    "c": 0.07698,
    "h": 173.4
  },
  "luminance": 0.12086
}

Semantic roles & 50–950 ramp

primary
#256D5B
secondary
#A04E62
accent
#4F71D9
background
#F6F9F8
surface
#EBF2F0
border
#C6CCCB
text
#070D0B
muted
#7A7E7C

Preview Lab

Preview with #256D5B

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

Preview Lab → · Contrast checker → · Palette generator →

#256D5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva