#256B8F#256B8F

#256B8F is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.1% C 0.089 H 235.2°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#256B8F
RGBrgb(37, 107, 143)
HSLhsl(200, 59%, 35%)
HSVhsv(200, 74%, 56%)
CMYKcmyk(74.1%, 25.2%, 0%, 43.9%)
CIE-LABlab(42.60, -9.09, -25.99)
CIE-LCHlch(42.60, 27.53, 250.72°)
OKLaboklab(50.11% -0.0508 -0.0732)
OKLCHoklch(50.11% 0.089 235.2)
XYZxyz(10.9766, 12.8906, 27.8909)
Luminance0.1289 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256B8F #8F4925
analogous
#258F7E #256B8F #25368F
triadic
#256B8F #8F256B #6B8F25
tetradic
#256B8F #7E258F #8F4925 #368F25
square
#256B8F #7E258F #8F4925 #368F25
split-complementary
#256B8F #8F2536 #8F7E25
monochromatic
#0C222E #18475E #256B8F #328FC0 #5AABD4

Accessibility & contrast

On white

5.87
#256B8F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.58
#256B8F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B8F
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256B8F#FFFFFF#000000##FFFFFF
##256B8F1.005.873.585.87
#FFFFFF5.871.0021.001.00
#0000003.5821.001.0021.00
##FFFFFF5.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A6A91
Deuteranopia (green-blind)
#4B608E
Tritanopia (blue-blind)
#007477
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #256b8f;
/* rgb */ color: rgb(37, 107, 143);
/* oklch */ color: oklch(50.1% 0.089 235.2);
Tailwind
colors: {
  custom: {
    50: '#6f95b0',
    500: '#256b8f',
    950: '#000000',
  },
}
SCSS
$custom: #256b8f;
$custom-light: #6f95b0;
$custom-dark: #000000;
JSON
{
  "hex": "#256b8f",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 143
  },
  "hsl": {
    "h": 200.377,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.50105,
    "c": 0.0891,
    "h": 235.2
  },
  "luminance": 0.12892
}

Semantic roles & 50–950 ramp

primary
#256B8F
secondary
#B97857
accent
#7B46E2
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256B8F

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

Preview Lab → · Contrast checker → · Palette generator →

#256B8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva