#256C9C#256C9C

#256C9C is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 51.1% C 0.103 H 242.6°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX#256C9C
RGBrgb(37, 108, 156)
HSLhsl(204, 62%, 38%)
HSVhsv(204, 76%, 61%)
CMYKcmyk(76.3%, 30.8%, 0%, 38.8%)
CIE-LABlab(43.53, -4.91, -32.26)
CIE-LCHlch(43.53, 32.63, 261.34°)
OKLaboklab(51.05% -0.0474 -0.0914)
OKLCHoklch(51.05% 0.103 242.6)
XYZxyz(12.1239, 13.5173, 33.4162)
Luminance0.1352 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256C9C #9C5525
analogous
#259C91 #256C9C #25309C
triadic
#256C9C #9C256C #6C9C25
tetradic
#256C9C #91259C #9C5525 #309C25
square
#256C9C #91259C #9C5525 #309C25
split-complementary
#256C9C #9C2530 #9C9125
monochromatic
#0E2839 #194A6B #256C9C #318ECD #62A9DA

Accessibility & contrast

On white

5.67
#256C9C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.70
#256C9C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C9C
5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256C9C#FFFFFF#000000##FFFFFF
##256C9C1.005.673.705.67
#FFFFFF5.671.0021.001.00
#0000003.7021.001.0021.00
##FFFFFF5.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#566D9E
Deuteranopia (green-blind)
#45629B
Tritanopia (blue-blind)
#00787D
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #256c9c;
/* rgb */ color: rgb(37, 108, 156);
/* oklch */ color: oklch(51.1% 0.103 242.6);
Tailwind
colors: {
  custom: {
    50: '#7195b9',
    500: '#256c9c',
    950: '#000000',
  },
}
SCSS
$custom: #256c9c;
$custom-light: #7195b9;
$custom-dark: #000000;
JSON
{
  "hex": "#256c9c",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 156
  },
  "hsl": {
    "h": 204.202,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.51051,
    "c": 0.10292,
    "h": 242.6
  },
  "luminance": 0.13519
}

Semantic roles & 50–950 ramp

primary
#256C9C
secondary
#BF855E
accent
#8443E5
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D11
muted
#7B7E80

Preview Lab

Preview with #256C9C

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

Preview Lab → · Contrast checker → · Palette generator →

#256C9C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva