#256BBE#256BBE

#256BBE is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.9% C 0.147 H 255.2°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX#256BBE
RGBrgb(37, 107, 190)
HSLhsl(213, 67%, 45%)
HSVhsv(213, 81%, 75%)
CMYKcmyk(80.5%, 43.7%, 0%, 25.5%)
CIE-LABlab(45.12, 8.63, -49.67)
CIE-LCHlch(45.12, 50.41, 279.86°)
OKLaboklab(52.9% -0.0376 -0.1423)
OKLCHoklch(52.9% 0.147 255.2)
XYZxyz(15.3114, 14.6246, 50.7211)
Luminance0.1463 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256BBE #BE7825
analogous
#25B8BE #256BBE #2C25BE
triadic
#256BBE #BE256B #6BBE25
tetradic
#256BBE #BE25B8 #BE7825 #25BE2C
square
#256BBE #BE25B8 #BE7825 #25BE2C
split-complementary
#256BBE #BE2C25 #B8BE25
monochromatic
#113158 #1B4E8B #256BBE #458ADB #79AAE5

Accessibility & contrast

On white

5.35
#256BBE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#256BBE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256BBE
5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256BBE#FFFFFF#000000##FFFFFF
##256BBE1.005.353.935.35
#FFFFFF5.351.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4172C1
Deuteranopia (green-blind)
#2264BC
Tritanopia (blue-blind)
#007F8B
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #256bbe;
/* rgb */ color: rgb(37, 107, 190);
/* oklch */ color: oklch(52.9% 0.147 255.2);
Tailwind
colors: {
  custom: {
    50: '#7894d2',
    500: '#256bbe',
    950: '#000000',
  },
}
SCSS
$custom: #256bbe;
$custom-light: #7894d2;
$custom-dark: #000000;
JSON
{
  "hex": "#256bbe",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 190
  },
  "hsl": {
    "h": 212.549,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52904,
    "c": 0.14723,
    "h": 255.2
  },
  "luminance": 0.14626
}

Semantic roles & 50–950 ramp

primary
#256BBE
secondary
#CDA372
accent
#9B3EEA
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0A0D14
muted
#7C7E82

Preview Lab

Preview with #256BBE

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

Preview Lab → · Contrast checker → · Palette generator →

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