#256DBC#256DBC

#256DBC is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.2% C 0.142 H 253.8°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#256DBC
RGBrgb(37, 109, 188)
HSLhsl(211, 67%, 44%)
HSVhsv(211, 80%, 74%)
CMYKcmyk(80.3%, 42%, 0%, 26.3%)
CIE-LABlab(45.58, 6.60, -47.77)
CIE-LCHlch(45.58, 48.22, 277.86°)
OKLaboklab(53.23% -0.0397 -0.1367)
OKLCHoklch(53.23% 0.142 253.8)
XYZxyz(15.3053, 14.9596, 49.6480)
Luminance0.1496 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256DBC #BC7425
analogous
#25B9BC #256DBC #2925BC
triadic
#256DBC #BC256D #6DBC25
tetradic
#256DBC #BC25B9 #BC7425 #25BC29
square
#256DBC #BC25B9 #BC7425 #25BC29
split-complementary
#256DBC #BC2925 #B9BC25
monochromatic
#113256 #1B4F89 #256DBC #448CDA #77ABE4

Accessibility & contrast

On white

5.26
#256DBC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.99
#256DBC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256DBC
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256DBC#FFFFFF#000000##FFFFFF
##256DBC1.005.263.995.26
#FFFFFF5.261.0021.001.00
#0000003.9921.001.0021.00
##FFFFFF5.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4673BF
Deuteranopia (green-blind)
#2B66BA
Tritanopia (blue-blind)
#00808B
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #256dbc;
/* rgb */ color: rgb(37, 109, 188);
/* oklch */ color: oklch(53.2% 0.142 253.8);
Tailwind
colors: {
  custom: {
    50: '#7796d1',
    500: '#256dbc',
    950: '#000000',
  },
}
SCSS
$custom: #256dbc;
$custom-light: #7796d1;
$custom-dark: #000000;
JSON
{
  "hex": "#256dbc",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 188
  },
  "hsl": {
    "h": 211.391,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53225,
    "c": 0.14237,
    "h": 253.8
  },
  "luminance": 0.14961
}

Semantic roles & 50–950 ramp

primary
#256DBC
secondary
#CCA171
accent
#983EEA
background
#F7F9FC
surface
#EEF1F9
border
#C9CBD2
text
#0A0D14
muted
#7C7E82

Preview Lab

Preview with #256DBC

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

Preview Lab → · Contrast checker → · Palette generator →

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