#256F78#256F78

#256F78 is a mid, moderate teal. Relative luminance 0.131; OKLCH L 50.1% C 0.072 H 206.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX#256F78
RGBrgb(37, 111, 120)
HSLhsl(187, 53%, 31%)
HSVhsv(187, 69%, 47%)
CMYKcmyk(69.2%, 7.5%, 0%, 52.9%)
CIE-LABlab(42.94, -19.30, -11.65)
CIE-LCHlch(42.94, 22.55, 211.11°)
OKLaboklab(50.07% -0.0646 -0.0323)
OKLCHoklch(50.07% 0.072 206.6)
XYZxyz(9.8361, 13.1172, 19.7791)
Luminance0.1312 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256F78 #782E25
analogous
#257857 #256F78 #254578
triadic
#256F78 #78256F #6F7825
tetradic
#256F78 #572578 #782E25 #457825
square
#256F78 #572578 #782E25 #457825
split-complementary
#256F78 #782545 #785725
monochromatic
#08181A #174449 #256F78 #339AA7 #4FBBC9

Accessibility & contrast

On white

5.80
#256F78 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#256F78 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256F78
5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256F78#FFFFFF#000000##FFFFFF
##256F781.005.803.625.80
#FFFFFF5.801.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#666B79
Deuteranopia (green-blind)
#596278
Tritanopia (blue-blind)
#007472
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #256f78;
/* rgb */ color: rgb(37, 111, 120);
/* oklch */ color: oklch(50.1% 0.072 206.6);
Tailwind
colors: {
  custom: {
    50: '#6c989f',
    500: '#256f78',
    950: '#000000',
  },
}
SCSS
$custom: #256f78;
$custom-light: #6c989f;
$custom-dark: #000000;
JSON
{
  "hex": "#256f78",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 120
  },
  "hsl": {
    "h": 186.506,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.50066,
    "c": 0.07227,
    "h": 206.6
  },
  "luminance": 0.13118
}

Semantic roles & 50–950 ramp

primary
#256F78
secondary
#AA584E
accent
#5B4CDC
background
#F6F9F9
surface
#ECF2F2
border
#C7CCCC
text
#070D0E
muted
#7A7E7E

Preview Lab

Preview with #256F78

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

Preview Lab → · Contrast checker → · Palette generator →

#256F78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva