#256A5A#256A5A

#256A5A is a mid, moderate teal. Relative luminance 0.114; OKLCH L 47.6% C 0.074 H 174.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#256A5A
RGBrgb(37, 106, 90)
HSLhsl(166, 48%, 28%)
HSVhsv(166, 65%, 42%)
CMYKcmyk(65.1%, 0%, 15.1%, 58.4%)
CIE-LABlab(40.31, -25.79, 2.63)
CIE-LCHlch(40.31, 25.92, 174.18°)
OKLaboklab(47.61% -0.0734 0.0066)
OKLCHoklch(47.61% 0.074 174.9)
XYZxyz(7.7616, 11.4388, 11.4697)
Luminance0.1144 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256A5A #6A2535
analogous
#256A37 #256A5A #25576A
triadic
#256A5A #5A256A #6A5A25
tetradic
#256A5A #37256A #6A2535 #576A25
square
#256A5A #37256A #6A2535 #576A25
split-complementary
#256A5A #6A2557 #6A3725
monochromatic
#081713 #153D33 #256A5A #359781 #4AC0A4

Accessibility & contrast

On white

6.39
#256A5A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#256A5A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256A5A
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256A5A#FFFFFF#000000##FFFFFF
##256A5A1.006.393.296.39
#FFFFFF6.391.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#666359
Deuteranopia (green-blind)
#5C5C5B
Tritanopia (blue-blind)
#006B65
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #256a5a;
/* rgb */ color: rgb(37, 106, 90);
/* oklch */ color: oklch(47.6% 0.074 174.9);
Tailwind
colors: {
  custom: {
    50: '#689588',
    500: '#256a5a',
    950: '#000000',
  },
}
SCSS
$custom: #256a5a;
$custom-light: #689588;
$custom-dark: #000000;
JSON
{
  "hex": "#256a5a",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 90
  },
  "hsl": {
    "h": 166.087,
    "s": 48.252,
    "l": 28.039
  },
  "oklch": {
    "l": 0.47614,
    "c": 0.07373,
    "h": 174.9
  },
  "luminance": 0.1144
}

Semantic roles & 50–950 ramp

primary
#256A5A
secondary
#9D4E60
accent
#506FD8
background
#F6F9F8
surface
#EBF1EF
border
#C6CBCA
text
#070D0B
muted
#7A7E7C

Preview Lab

Preview with #256A5A

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

Preview Lab → · Contrast checker → · Palette generator →

#256A5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva