#256B8E#256B8E

#256B8E is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.1% C 0.088 H 234.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#256B8E
RGBrgb(37, 107, 142)
HSLhsl(200, 59%, 35%)
HSVhsv(200, 74%, 56%)
CMYKcmyk(73.9%, 24.6%, 0%, 44.3%)
CIE-LABlab(42.55, -9.45, -25.46)
CIE-LCHlch(42.55, 27.16, 249.64°)
OKLaboklab(50.05% -0.0512 -0.0716)
OKLCHoklch(50.05% 0.088 234.4)
XYZxyz(10.9012, 12.8605, 27.4937)
Luminance0.1286 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256B8E #8E4825
analogous
#258E7C #256B8E #25378E
triadic
#256B8E #8E256B #6B8E25
tetradic
#256B8E #7C258E #8E4825 #378E25
square
#256B8E #7C258E #8E4825 #378E25
split-complementary
#256B8E #8E2537 #8E7C25
monochromatic
#0C222D #18465D #256B8E #3290BF #5AABD4

Accessibility & contrast

On white

5.88
#256B8E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.57
#256B8E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B8E
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256B8E#FFFFFF#000000##FFFFFF
##256B8E1.005.883.575.88
#FFFFFF5.881.0021.001.00
#0000003.5721.001.0021.00
##FFFFFF5.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A6A90
Deuteranopia (green-blind)
#4C608D
Tritanopia (blue-blind)
#007477
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #256b8e;
/* rgb */ color: rgb(37, 107, 142);
/* oklch */ color: oklch(50.1% 0.088 234.4);
Tailwind
colors: {
  custom: {
    50: '#6e95af',
    500: '#256b8e',
    950: '#000000',
  },
}
SCSS
$custom: #256b8e;
$custom-light: #6e95af;
$custom-dark: #000000;
JSON
{
  "hex": "#256b8e",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 142
  },
  "hsl": {
    "h": 200,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.50053,
    "c": 0.08807,
    "h": 234.4
  },
  "luminance": 0.12862
}

Semantic roles & 50–950 ramp

primary
#256B8E
secondary
#B97756
accent
#7A46E2
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256B8E

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

Preview Lab → · Contrast checker → · Palette generator →

#256B8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva