#256391#256391

#256391 is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.2% C 0.097 H 244.5°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX#256391
RGBrgb(37, 99, 145)
HSLhsl(206, 59%, 36%)
HSVhsv(206, 74%, 57%)
CMYKcmyk(74.5%, 31.7%, 0%, 43.1%)
CIE-LABlab(40.18, -3.52, -30.97)
CIE-LCHlch(40.18, 31.17, 263.52°)
OKLaboklab(48.22% -0.0419 -0.0877)
OKLCHoklch(48.22% 0.097 244.5)
XYZxyz(10.3337, 11.3602, 28.4307)
Luminance0.1136 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256391 #915325
analogous
#259189 #256391 #252D91
triadic
#256391 #912563 #639125
tetradic
#256391 #892591 #915325 #2D9125
square
#256391 #892591 #915325 #2D9125
split-complementary
#256391 #91252D #918925
monochromatic
#0C202F #194260 #256391 #3184C2 #5BA1D5

Accessibility & contrast

On white

6.42
#256391 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.27
#256391 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256391
6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256391#FFFFFF#000000##FFFFFF
##2563911.006.423.276.42
#FFFFFF6.421.0021.001.00
#0000003.2721.001.0021.00
##FFFFFF6.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E6493
Deuteranopia (green-blind)
#3F5A90
Tritanopia (blue-blind)
#006E73
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #256391;
/* rgb */ color: rgb(37, 99, 145);
/* oklch */ color: oklch(48.2% 0.097 244.5);
Tailwind
colors: {
  custom: {
    50: '#6f8fb1',
    500: '#256391',
    950: '#000000',
  },
}
SCSS
$custom: #256391;
$custom-light: #6f8fb1;
$custom-dark: #000000;
JSON
{
  "hex": "#256391",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 145
  },
  "hsl": {
    "h": 205.556,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4822,
    "c": 0.0972,
    "h": 244.5
  },
  "luminance": 0.11361
}

Semantic roles & 50–950 ramp

primary
#256391
secondary
#BA8258
accent
#8845E3
background
#F7F8FA
surface
#EDF0F5
border
#C8CBCF
text
#080C10
muted
#7B7D7F

Preview Lab

Preview with #256391

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

Preview Lab → · Contrast checker → · Palette generator →

#256391 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva