#256B88#256B88

#256B88 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.8% C 0.082 H 229.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#256B88
RGBrgb(37, 107, 136)
HSLhsl(198, 57%, 34%)
HSVhsv(198, 73%, 53%)
CMYKcmyk(72.8%, 21.3%, 0%, 46.7%)
CIE-LABlab(42.28, -11.60, -22.28)
CIE-LCHlch(42.28, 25.12, 242.50°)
OKLaboklab(49.75% -0.0535 -0.0625)
OKLCHoklch(49.75% 0.082 229.4)
XYZxyz(10.4628, 12.6851, 25.1848)
Luminance0.1269 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256B88 #884225
analogous
#258874 #256B88 #253A88
triadic
#256B88 #88256B #6B8825
tetradic
#256B88 #742588 #884225 #3A8825
square
#256B88 #742588 #884225 #3A8825
split-complementary
#256B88 #88253A #887425
monochromatic
#0B1F28 #184558 #256B88 #3291B8 #56ADD1

Accessibility & contrast

On white

5.94
#256B88 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.54
#256B88 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B88
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256B88#FFFFFF#000000##FFFFFF
##256B881.005.943.545.94
#FFFFFF5.941.0021.001.00
#0000003.5421.001.0021.00
##FFFFFF5.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C6989
Deuteranopia (green-blind)
#4F6088
Tritanopia (blue-blind)
#007375
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #256b88;
/* rgb */ color: rgb(37, 107, 136);
/* oklch */ color: oklch(49.8% 0.082 229.4);
Tailwind
colors: {
  custom: {
    50: '#6d95aa',
    500: '#256b88',
    950: '#000000',
  },
}
SCSS
$custom: #256b88;
$custom-light: #6d95aa;
$custom-dark: #000000;
JSON
{
  "hex": "#256b88",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 136
  },
  "hsl": {
    "h": 197.576,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.49752,
    "c": 0.08224,
    "h": 229.4
  },
  "luminance": 0.12686
}

Semantic roles & 50–950 ramp

primary
#256B88
secondary
#B67053
accent
#7447E0
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256B88

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

Preview Lab → · Contrast checker → · Palette generator →

#256B88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva