#256DBE#256DBE

#256DBE is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.4% C 0.145 H 254.3°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX#256DBE
RGBrgb(37, 109, 190)
HSLhsl(212, 67%, 45%)
HSVhsv(212, 81%, 75%)
CMYKcmyk(80.5%, 42.6%, 0%, 25.5%)
CIE-LABlab(45.70, 7.36, -48.73)
CIE-LCHlch(45.70, 49.29, 278.59°)
OKLaboklab(53.36% -0.0392 -0.1396)
OKLCHoklch(53.36% 0.145 254.3)
XYZxyz(15.5224, 15.0464, 50.7914)
Luminance0.1505 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256DBE #BE7625
analogous
#25BABE #256DBE #2A25BE
triadic
#256DBE #BE256D #6DBE25
tetradic
#256DBE #BE25BA #BE7625 #25BE2A
square
#256DBE #BE25BA #BE7625 #25BE2A
split-complementary
#256DBE #BE2A25 #BABE25
monochromatic
#113258 #1B508B #256DBE #458CDB #79ACE5

Accessibility & contrast

On white

5.24
#256DBE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#256DBE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256DBE
5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256DBE#FFFFFF#000000##FFFFFF
##256DBE1.005.244.015.24
#FFFFFF5.241.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4474C1
Deuteranopia (green-blind)
#2866BC
Tritanopia (blue-blind)
#00808C
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #256dbe;
/* rgb */ color: rgb(37, 109, 190);
/* oklch */ color: oklch(53.4% 0.145 254.3);
Tailwind
colors: {
  custom: {
    50: '#7896d2',
    500: '#256dbe',
    950: '#000000',
  },
}
SCSS
$custom: #256dbe;
$custom-light: #7896d2;
$custom-dark: #000000;
JSON
{
  "hex": "#256dbe",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 190
  },
  "hsl": {
    "h": 211.765,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53356,
    "c": 0.14498,
    "h": 254.3
  },
  "luminance": 0.15048
}

Semantic roles & 50–950 ramp

primary
#256DBE
secondary
#CDA272
accent
#993EEA
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0A0D14
muted
#7C7E82

Preview Lab

Preview with #256DBE

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

Preview Lab → · Contrast checker → · Palette generator →

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