#256C81#256C81

#256C81 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.7% C 0.076 H 221.3°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#256C81
RGBrgb(37, 108, 129)
HSLhsl(194, 55%, 33%)
HSVhsv(194, 71%, 51%)
CMYKcmyk(71.3%, 16.3%, 0%, 49.4%)
CIE-LABlab(42.31, -14.62, -18.03)
CIE-LCHlch(42.31, 23.21, 230.96°)
OKLaboklab(49.68% -0.0574 -0.0503)
OKLCHoklch(49.68% 0.076 221.3)
XYZxyz(10.0863, 12.7023, 22.6848)
Luminance0.1270 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256C81 #813A25
analogous
#258168 #256C81 #253E81
triadic
#256C81 #81256C #6C8125
tetradic
#256C81 #682581 #813A25 #3E8125
square
#256C81 #682581 #813A25 #3E8125
split-complementary
#256C81 #81253E #816825
monochromatic
#0A1C22 #174451 #256C81 #3394B1 #53B2CE

Accessibility & contrast

On white

5.93
#256C81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.54
#256C81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C81
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256C81#FFFFFF#000000##FFFFFF
##256C811.005.933.545.93
#FFFFFF5.931.0021.001.00
#0000003.5421.001.0021.00
##FFFFFF5.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6982
Deuteranopia (green-blind)
#536081
Tritanopia (blue-blind)
#007373
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #256c81;
/* rgb */ color: rgb(37, 108, 129);
/* oklch */ color: oklch(49.7% 0.076 221.3);
Tailwind
colors: {
  custom: {
    50: '#6c96a5',
    500: '#256c81',
    950: '#000000',
  },
}
SCSS
$custom: #256c81;
$custom-light: #6c96a5;
$custom-dark: #000000;
JSON
{
  "hex": "#256c81",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 129
  },
  "hsl": {
    "h": 193.696,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.49675,
    "c": 0.07633,
    "h": 221.3
  },
  "luminance": 0.12703
}

Semantic roles & 50–950 ramp

primary
#256C81
secondary
#B26650
accent
#6B49DF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D0F
muted
#7B7E7F

Preview Lab

Preview with #256C81

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

Preview Lab → · Contrast checker → · Palette generator →

#256C81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva