#256BAE#256BAE

#256BAE is a mid, vivid cyan. Relative luminance 0.140; OKLCH L 51.9% C 0.126 H 250.9°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#256BAE
RGBrgb(37, 107, 174)
HSLhsl(209, 65%, 41%)
HSVhsv(209, 79%, 68%)
CMYKcmyk(78.7%, 38.5%, 0%, 31.8%)
CIE-LABlab(44.18, 2.49, -41.84)
CIE-LCHlch(44.18, 41.92, 273.41°)
OKLaboklab(51.87% -0.0413 -0.1194)
OKLCHoklch(51.87% 0.126 250.9)
XYZxyz(13.6577, 13.9631, 42.0115)
Luminance0.1396 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256BAE #AE6825
analogous
#25AEAD #256BAE #2527AE
triadic
#256BAE #AE256B #6BAE25
tetradic
#256BAE #AD25AE #AE6825 #27AE25
square
#256BAE #AD25AE #AE6825 #27AE25
split-complementary
#256BAE #AE2527 #AEAD25
monochromatic
#102D49 #1A4C7C #256BAE #3B8AD5 #6DA8E0

Accessibility & contrast

On white

5.54
#256BAE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.79
#256BAE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256BAE
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256BAE#FFFFFF#000000##FFFFFF
##256BAE1.005.543.795.54
#FFFFFF5.541.0021.001.00
#0000003.7921.001.0021.00
##FFFFFF5.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B6FB1
Deuteranopia (green-blind)
#3663AD
Tritanopia (blue-blind)
#007B84
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #256bae;
/* rgb */ color: rgb(37, 107, 174);
/* oklch */ color: oklch(51.9% 0.126 250.9);
Tailwind
colors: {
  custom: {
    50: '#7494c6',
    500: '#256bae',
    950: '#000000',
  },
}
SCSS
$custom: #256bae;
$custom-light: #7494c6;
$custom-dark: #000000;
JSON
{
  "hex": "#256bae",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 174
  },
  "hsl": {
    "h": 209.343,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51871,
    "c": 0.1263,
    "h": 250.9
  },
  "luminance": 0.13965
}

Semantic roles & 50–950 ramp

primary
#256BAE
secondary
#C69668
accent
#9240E8
background
#F7F9FC
surface
#EEF1F8
border
#C9CBD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #256BAE

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

Preview Lab → · Contrast checker → · Palette generator →

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