#256A8A#256A8A

#256A8A is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.6% C 0.085 H 232.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#256A8A
RGBrgb(37, 106, 138)
HSLhsl(199, 58%, 34%)
HSVhsv(199, 73%, 54%)
CMYKcmyk(73.2%, 23.2%, 0%, 45.9%)
CIE-LABlab(42.05, -10.30, -23.84)
CIE-LCHlch(42.05, 25.97, 246.63°)
OKLaboklab(49.6% -0.0516 -0.067)
OKLCHoklch(49.6% 0.085 232.4)
XYZxyz(10.5026, 12.5352, 25.9058)
Luminance0.1254 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256A8A #8A4525
analogous
#258A78 #256A8A #25388A
triadic
#256A8A #8A256A #6A8A25
tetradic
#256A8A #78258A #8A4525 #388A25
square
#256A8A #78258A #8A4525 #388A25
split-complementary
#256A8A #8A2538 #8A7825
monochromatic
#0B2029 #18455A #256A8A #328FBA #57ABD2

Accessibility & contrast

On white

5.99
#256A8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#256A8A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256A8A
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256A8A#FFFFFF#000000##FFFFFF
##256A8A1.005.993.515.99
#FFFFFF5.991.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A698C
Deuteranopia (green-blind)
#4C5F8A
Tritanopia (blue-blind)
#007375
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #256a8a;
/* rgb */ color: rgb(37, 106, 138);
/* oklch */ color: oklch(49.6% 0.085 232.4);
Tailwind
colors: {
  custom: {
    50: '#6e94ac',
    500: '#256a8a',
    950: '#000000',
  },
}
SCSS
$custom: #256a8a;
$custom-light: #6e94ac;
$custom-dark: #000000;
JSON
{
  "hex": "#256a8a",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 138
  },
  "hsl": {
    "h": 199.01,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.49597,
    "c": 0.08457,
    "h": 232.4
  },
  "luminance": 0.12536
}

Semantic roles & 50–950 ramp

primary
#256A8A
secondary
#B77354
accent
#7847E1
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256A8A

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

Preview Lab → · Contrast checker → · Palette generator →

#256A8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva