#256CA9#256CA9

#256CA9 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.8% C 0.119 H 248.5°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#256CA9
RGBrgb(37, 108, 169)
HSLhsl(208, 64%, 40%)
HSVhsv(208, 78%, 66%)
CMYKcmyk(78.1%, 36.1%, 0%, 33.7%)
CIE-LABlab(44.21, -0.03, -38.87)
CIE-LCHlch(44.21, 38.87, 269.95°)
OKLaboklab(51.8% -0.0435 -0.1106)
OKLCHoklch(51.8% 0.119 248.5)
XYZxyz(13.2842, 13.9814, 39.5270)
Luminance0.1398 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256CA9 #A96225
analogous
#25A9A4 #256CA9 #252AA9
triadic
#256CA9 #A9256C #6CA925
tetradic
#256CA9 #A425A9 #A96225 #2AA925
square
#256CA9 #A425A9 #A96225 #2AA925
split-complementary
#256CA9 #A9252A #A9A425
monochromatic
#0F2C45 #1A4C77 #256CA9 #388BD3 #6AA9DE

Accessibility & contrast

On white

5.53
#256CA9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#256CA9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256CA9
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256CA9#FFFFFF#000000##FFFFFF
##256CA91.005.533.805.53
#FFFFFF5.531.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#506FAC
Deuteranopia (green-blind)
#3C63A8
Tritanopia (blue-blind)
#007B82
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #256ca9;
/* rgb */ color: rgb(37, 108, 169);
/* oklch */ color: oklch(51.8% 0.119 248.5);
Tailwind
colors: {
  custom: {
    50: '#7395c3',
    500: '#256ca9',
    950: '#000000',
  },
}
SCSS
$custom: #256ca9;
$custom-light: #7395c3;
$custom-dark: #000000;
JSON
{
  "hex": "#256ca9",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 169
  },
  "hsl": {
    "h": 207.727,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51802,
    "c": 0.11888,
    "h": 248.5
  },
  "luminance": 0.13983
}

Semantic roles & 50–950 ramp

primary
#256CA9
secondary
#C49165
accent
#8E41E7
background
#F7F9FC
surface
#EEF1F8
border
#C9CBD1
text
#090D12
muted
#7B7E81

Preview Lab

Preview with #256CA9

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

Preview Lab → · Contrast checker → · Palette generator →

#256CA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva