#256C8D#256C8D

#256C8D is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.3% C 0.087 H 232.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#256C8D
RGBrgb(37, 108, 141)
HSLhsl(199, 58%, 35%)
HSVhsv(199, 74%, 55%)
CMYKcmyk(73.8%, 23.4%, 0%, 44.7%)
CIE-LABlab(42.82, -10.40, -24.44)
CIE-LCHlch(42.82, 26.56, 246.95°)
OKLaboklab(50.26% -0.0526 -0.0687)
OKLCHoklch(50.26% 0.087 232.5)
XYZxyz(10.9313, 13.0403, 27.1351)
Luminance0.1304 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256C8D #8D4625
analogous
#258D7A #256C8D #25388D
triadic
#256C8D #8D256C #6C8D25
tetradic
#256C8D #7A258D #8D4625 #388D25
square
#256C8D #7A258D #8D4625 #388D25
split-complementary
#256C8D #8D2538 #8D7A25
monochromatic
#0C222C #18475D #256C8D #3291BD #59ADD3

Accessibility & contrast

On white

5.82
#256C8D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.61
#256C8D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C8D
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256C8D#FFFFFF#000000##FFFFFF
##256C8D1.005.823.615.82
#FFFFFF5.821.0021.001.00
#0000003.6121.001.0021.00
##FFFFFF5.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C6B8F
Deuteranopia (green-blind)
#4D618C
Tritanopia (blue-blind)
#007577
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #256c8d;
/* rgb */ color: rgb(37, 108, 141);
/* oklch */ color: oklch(50.3% 0.087 232.5);
Tailwind
colors: {
  custom: {
    50: '#6e96ae',
    500: '#256c8d',
    950: '#000000',
  },
}
SCSS
$custom: #256c8d;
$custom-light: #6e96ae;
$custom-dark: #000000;
JSON
{
  "hex": "#256c8d",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 141
  },
  "hsl": {
    "h": 199.038,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.50255,
    "c": 0.08654,
    "h": 232.5
  },
  "luminance": 0.13042
}

Semantic roles & 50–950 ramp

primary
#256C8D
secondary
#B87556
accent
#7746E2
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256C8D

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

Preview Lab → · Contrast checker → · Palette generator →

#256C8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva