#256E8A#256E8A

#256E8A is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.6% C 0.083 H 227.6°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX#256E8A
RGBrgb(37, 110, 138)
HSLhsl(197, 58%, 34%)
HSVhsv(197, 73%, 54%)
CMYKcmyk(73.2%, 20.3%, 0%, 45.9%)
CIE-LABlab(43.33, -12.62, -21.86)
CIE-LCHlch(43.33, 25.25, 240.00°)
OKLaboklab(50.61% -0.0559 -0.0613)
OKLCHoklch(50.61% 0.083 227.6)
XYZxyz(10.9245, 13.3789, 26.0465)
Luminance0.1338 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256E8A #8A4125
analogous
#258A74 #256E8A #253C8A
triadic
#256E8A #8A256E #6E8A25
tetradic
#256E8A #74258A #8A4125 #3C8A25
square
#256E8A #74258A #8A4125 #3C8A25
split-complementary
#256E8A #8A253C #8A7425
monochromatic
#0B2129 #18485A #256E8A #3294BA #57B0D2

Accessibility & contrast

On white

5.71
#256E8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.68
#256E8A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E8A
5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256E8A#FFFFFF#000000##FFFFFF
##256E8A1.005.713.685.71
#FFFFFF5.711.0021.001.00
#0000003.6821.001.0021.00
##FFFFFF5.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6C8B
Deuteranopia (green-blind)
#51628A
Tritanopia (blue-blind)
#007677
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #256e8a;
/* rgb */ color: rgb(37, 110, 138);
/* oklch */ color: oklch(50.6% 0.083 227.6);
Tailwind
colors: {
  custom: {
    50: '#6e97ac',
    500: '#256e8a',
    950: '#000000',
  },
}
SCSS
$custom: #256e8a;
$custom-light: #6e97ac;
$custom-dark: #000000;
JSON
{
  "hex": "#256e8a",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 138
  },
  "hsl": {
    "h": 196.634,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.50614,
    "c": 0.08295,
    "h": 227.6
  },
  "luminance": 0.1338
}

Semantic roles & 50–950 ramp

primary
#256E8A
secondary
#B77054
accent
#7247E1
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256E8A

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

Preview Lab → · Contrast checker → · Palette generator →

#256E8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva