#256B81#256B81

#256B81 is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.4% C 0.076 H 222.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#256B81
RGBrgb(37, 107, 129)
HSLhsl(194, 55%, 33%)
HSVhsv(194, 71%, 51%)
CMYKcmyk(71.3%, 17.1%, 0%, 49.4%)
CIE-LABlab(41.99, -14.05, -18.52)
CIE-LCHlch(41.99, 23.25, 232.81°)
OKLaboklab(49.42% -0.0563 -0.0517)
OKLCHoklch(49.42% 0.076 222.6)
XYZxyz(9.9815, 12.4926, 22.6499)
Luminance0.1249 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256B81 #813B25
analogous
#258169 #256B81 #253D81
triadic
#256B81 #81256B #6B8125
tetradic
#256B81 #692581 #813B25 #3D8125
square
#256B81 #692581 #813B25 #3D8125
split-complementary
#256B81 #81253D #816925
monochromatic
#0A1C22 #174451 #256B81 #3392B1 #53B0CE

Accessibility & contrast

On white

6.00
#256B81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#256B81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B81
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256B81#FFFFFF#000000##FFFFFF
##256B811.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E6882
Deuteranopia (green-blind)
#515F81
Tritanopia (blue-blind)
#007272
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #256b81;
/* rgb */ color: rgb(37, 107, 129);
/* oklch */ color: oklch(49.4% 0.076 222.6);
Tailwind
colors: {
  custom: {
    50: '#6c95a5',
    500: '#256b81',
    950: '#000000',
  },
}
SCSS
$custom: #256b81;
$custom-light: #6c95a5;
$custom-dark: #000000;
JSON
{
  "hex": "#256b81",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 129
  },
  "hsl": {
    "h": 194.348,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.49417,
    "c": 0.07646,
    "h": 222.6
  },
  "luminance": 0.12494
}

Semantic roles & 50–950 ramp

primary
#256B81
secondary
#B26750
accent
#6D49DF
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#080D0F
muted
#7B7E7F

Preview Lab

Preview with #256B81

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

Preview Lab → · Contrast checker → · Palette generator →

#256B81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva