#256E90#256E90

#256E90 is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 50.9% C 0.088 H 232.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#256E90
RGBrgb(37, 110, 144)
HSLhsl(199, 59%, 35%)
HSVhsv(199, 74%, 56%)
CMYKcmyk(74.3%, 23.6%, 0%, 43.5%)
CIE-LABlab(43.59, -10.49, -25.04)
CIE-LCHlch(43.59, 27.15, 247.27°)
OKLaboklab(50.91% -0.0536 -0.0704)
OKLCHoklch(50.91% 0.088 232.7)
XYZxyz(11.3709, 13.5575, 28.3977)
Luminance0.1356 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256E90 #904725
analogous
#25907C #256E90 #253990
triadic
#256E90 #90256E #6E9025
tetradic
#256E90 #7C2590 #904725 #399025
square
#256E90 #7C2590 #904725 #399025
split-complementary
#256E90 #902539 #907C25
monochromatic
#0C242F #18495F #256E90 #3293C1 #5BAED5

Accessibility & contrast

On white

5.66
#256E90 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.71
#256E90 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E90
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256E90#FFFFFF#000000##FFFFFF
##256E901.005.663.715.66
#FFFFFF5.661.0021.001.00
#0000003.7121.001.0021.00
##FFFFFF5.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D6D92
Deuteranopia (green-blind)
#4F628F
Tritanopia (blue-blind)
#007779
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #256e90;
/* rgb */ color: rgb(37, 110, 144);
/* oklch */ color: oklch(50.9% 0.088 232.7);
Tailwind
colors: {
  custom: {
    50: '#6f97b0',
    500: '#256e90',
    950: '#000000',
  },
}
SCSS
$custom: #256e90;
$custom-light: #6f97b0;
$custom-dark: #000000;
JSON
{
  "hex": "#256e90",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 144
  },
  "hsl": {
    "h": 199.065,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.50911,
    "c": 0.08849,
    "h": 232.7
  },
  "luminance": 0.13559
}

Semantic roles & 50–950 ramp

primary
#256E90
secondary
#B97757
accent
#7745E2
background
#F7F9FA
surface
#EDF2F5
border
#C8CCCF
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256E90

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

Preview Lab → · Contrast checker → · Palette generator →

#256E90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva