#256DBD#256DBD

#256DBD is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.3% C 0.144 H 254.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#256DBD
RGBrgb(37, 109, 189)
HSLhsl(212, 67%, 44%)
HSVhsv(212, 80%, 74%)
CMYKcmyk(80.4%, 42.3%, 0%, 25.9%)
CIE-LABlab(45.64, 6.98, -48.25)
CIE-LCHlch(45.64, 48.75, 278.23°)
OKLaboklab(53.29% -0.0394 -0.1381)
OKLCHoklch(53.29% 0.144 254.1)
XYZxyz(15.4135, 15.0028, 50.2177)
Luminance0.1500 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256DBD #BD7525
analogous
#25B9BD #256DBD #2925BD
triadic
#256DBD #BD256D #6DBD25
tetradic
#256DBD #BD25B9 #BD7525 #25BD29
square
#256DBD #BD25B9 #BD7525 #25BD29
split-complementary
#256DBD #BD2925 #B9BD25
monochromatic
#113257 #1B4F8A #256DBD #458CDB #78ABE5

Accessibility & contrast

On white

5.25
#256DBD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.00
#256DBD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256DBD
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256DBD#FFFFFF#000000##FFFFFF
##256DBD1.005.254.005.25
#FFFFFF5.251.0021.001.00
#0000004.0021.001.0021.00
##FFFFFF5.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4573C0
Deuteranopia (green-blind)
#2966BB
Tritanopia (blue-blind)
#00808C
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #256dbd;
/* rgb */ color: rgb(37, 109, 189);
/* oklch */ color: oklch(53.3% 0.144 254.1);
Tailwind
colors: {
  custom: {
    50: '#7896d1',
    500: '#256dbd',
    950: '#000000',
  },
}
SCSS
$custom: #256dbd;
$custom-light: #7896d1;
$custom-dark: #000000;
JSON
{
  "hex": "#256dbd",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 189
  },
  "hsl": {
    "h": 211.579,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5329,
    "c": 0.14367,
    "h": 254.1
  },
  "luminance": 0.15005
}

Semantic roles & 50–950 ramp

primary
#256DBD
secondary
#CCA172
accent
#983EEA
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0A0D14
muted
#7C7E82

Preview Lab

Preview with #256DBD

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

Preview Lab → · Contrast checker → · Palette generator →

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