#256E91#256E91

#256E91 is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.0% C 0.089 H 233.5°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#256E91
RGBrgb(37, 110, 145)
HSLhsl(199, 59%, 36%)
HSVhsv(199, 74%, 57%)
CMYKcmyk(74.5%, 24.1%, 0%, 43.1%)
CIE-LABlab(43.64, -10.13, -25.56)
CIE-LCHlch(43.64, 27.50, 248.38°)
OKLaboklab(50.96% -0.0532 -0.0719)
OKLCHoklch(50.96% 0.089 233.5)
XYZxyz(11.4477, 13.5882, 28.8020)
Luminance0.1359 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256E91 #914825
analogous
#25917E #256E91 #253891
triadic
#256E91 #91256E #6E9125
tetradic
#256E91 #7E2591 #914825 #389125
square
#256E91 #7E2591 #914825 #389125
split-complementary
#256E91 #912538 #917E25
monochromatic
#0C242F #194960 #256E91 #3193C2 #5BAED5

Accessibility & contrast

On white

5.65
#256E91 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.72
#256E91 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E91
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256E91#FFFFFF#000000##FFFFFF
##256E911.005.653.725.65
#FFFFFF5.651.0021.001.00
#0000003.7221.001.0021.00
##FFFFFF5.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D6D93
Deuteranopia (green-blind)
#4E6390
Tritanopia (blue-blind)
#00777A
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #256e91;
/* rgb */ color: rgb(37, 110, 145);
/* oklch */ color: oklch(51.0% 0.089 233.5);
Tailwind
colors: {
  custom: {
    50: '#6f97b1',
    500: '#256e91',
    950: '#000000',
  },
}
SCSS
$custom: #256e91;
$custom-light: #6f97b1;
$custom-dark: #000000;
JSON
{
  "hex": "#256e91",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 145
  },
  "hsl": {
    "h": 199.444,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.50962,
    "c": 0.08948,
    "h": 233.5
  },
  "luminance": 0.1359
}

Semantic roles & 50–950 ramp

primary
#256E91
secondary
#BA7858
accent
#7845E3
background
#F7F9FA
surface
#EDF2F5
border
#C8CCCF
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256E91

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

Preview Lab → · Contrast checker → · Palette generator →

#256E91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva