#256AAD#256AAD

#256AAD is a mid, vivid cyan. Relative luminance 0.137; OKLCH L 51.6% C 0.126 H 251.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#256AAD
RGBrgb(37, 106, 173)
HSLhsl(210, 65%, 41%)
HSVhsv(210, 79%, 68%)
CMYKcmyk(78.6%, 38.7%, 0%, 32.2%)
CIE-LABlab(43.82, 2.74, -41.82)
CIE-LCHlch(43.82, 41.91, 273.74°)
OKLaboklab(51.58% -0.0406 -0.1193)
OKLCHoklch(51.58% 0.126 251.2)
XYZxyz(13.4570, 13.7169, 41.4655)
Luminance0.1372 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256AAD #AD6825
analogous
#25ADAC #256AAD #2526AD
triadic
#256AAD #AD256A #6AAD25
tetradic
#256AAD #AC25AD #AD6825 #26AD25
square
#256AAD #AC25AD #AD6825 #26AD25
split-complementary
#256AAD #AD2526 #ADAC25
monochromatic
#0F2C48 #1A4B7B #256AAD #3A89D5 #6DA7E0

Accessibility & contrast

On white

5.61
#256AAD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.74
#256AAD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256AAD
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256AAD#FFFFFF#000000##FFFFFF
##256AAD1.005.613.745.61
#FFFFFF5.611.0021.001.00
#0000003.7421.001.0021.00
##FFFFFF5.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A6EB0
Deuteranopia (green-blind)
#3562AC
Tritanopia (blue-blind)
#007A83
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #256aad;
/* rgb */ color: rgb(37, 106, 173);
/* oklch */ color: oklch(51.6% 0.126 251.2);
Tailwind
colors: {
  custom: {
    50: '#7494c6',
    500: '#256aad',
    950: '#000000',
  },
}
SCSS
$custom: #256aad;
$custom-light: #7494c6;
$custom-dark: #000000;
JSON
{
  "hex": "#256aad",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 173
  },
  "hsl": {
    "h": 209.559,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.51575,
    "c": 0.12605,
    "h": 251.2
  },
  "luminance": 0.13719
}

Semantic roles & 50–950 ramp

primary
#256AAD
secondary
#C69668
accent
#9340E8
background
#F7F9FC
surface
#EEF1F8
border
#C9CBD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #256AAD

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

Preview Lab → · Contrast checker → · Palette generator →

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