#256C8C#256C8C

#256C8C is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.2% C 0.086 H 231.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#256C8C
RGBrgb(37, 108, 140)
HSLhsl(199, 58%, 35%)
HSVhsv(199, 74%, 55%)
CMYKcmyk(73.6%, 22.9%, 0%, 45.1%)
CIE-LABlab(42.78, -10.76, -23.91)
CIE-LCHlch(42.78, 26.22, 245.78°)
OKLaboklab(50.21% -0.053 -0.0672)
OKLCHoklch(50.21% 0.086 231.7)
XYZxyz(10.8572, 13.0107, 26.7450)
Luminance0.1301 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256C8C #8C4525
analogous
#258C79 #256C8C #25388C
triadic
#256C8C #8C256C #6C8C25
tetradic
#256C8C #79258C #8C4525 #388C25
square
#256C8C #79258C #8C4525 #388C25
split-complementary
#256C8C #8C2538 #8C7925
monochromatic
#0B212B #18475C #256C8C #3291BC #58ADD3

Accessibility & contrast

On white

5.83
#256C8C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.60
#256C8C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C8C
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256C8C#FFFFFF#000000##FFFFFF
##256C8C1.005.833.605.83
#FFFFFF5.831.0021.001.00
#0000003.6021.001.0021.00
##FFFFFF5.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C6B8E
Deuteranopia (green-blind)
#4E618C
Tritanopia (blue-blind)
#007577
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #256c8c;
/* rgb */ color: rgb(37, 108, 140);
/* oklch */ color: oklch(50.2% 0.086 231.7);
Tailwind
colors: {
  custom: {
    50: '#6e96ad',
    500: '#256c8c',
    950: '#000000',
  },
}
SCSS
$custom: #256c8c;
$custom-light: #6e96ad;
$custom-dark: #000000;
JSON
{
  "hex": "#256c8c",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 140
  },
  "hsl": {
    "h": 198.641,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.50205,
    "c": 0.08557,
    "h": 231.7
  },
  "luminance": 0.13012
}

Semantic roles & 50–950 ramp

primary
#256C8C
secondary
#B87455
accent
#7746E1
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256C8C

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

Preview Lab → · Contrast checker → · Palette generator →

#256C8C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva