#256C83#256C83

#256C83 is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 49.8% C 0.078 H 223.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#256C83
RGBrgb(37, 108, 131)
HSLhsl(195, 56%, 33%)
HSVhsv(195, 72%, 51%)
CMYKcmyk(71.8%, 17.6%, 0%, 48.6%)
CIE-LABlab(42.39, -13.93, -19.11)
CIE-LCHlch(42.39, 23.64, 233.91°)
OKLaboklab(49.77% -0.0566 -0.0534)
OKLCHoklch(49.77% 0.078 223.4)
XYZxyz(10.2206, 12.7560, 23.3918)
Luminance0.1276 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256C83 #833C25
analogous
#25836B #256C83 #253D83
triadic
#256C83 #83256C #6C8325
tetradic
#256C83 #6B2583 #833C25 #3D8325
square
#256C83 #6B2583 #833C25 #3D8325
split-complementary
#256C83 #83253D #836B25
monochromatic
#0A1D24 #184553 #256C83 #3293B3 #54B1CF

Accessibility & contrast

On white

5.91
#256C83 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.55
#256C83 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C83
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256C83#FFFFFF#000000##FFFFFF
##256C831.005.913.555.91
#FFFFFF5.911.0021.001.00
#0000003.5521.001.0021.00
##FFFFFF5.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6984
Deuteranopia (green-blind)
#526083
Tritanopia (blue-blind)
#007373
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #256c83;
/* rgb */ color: rgb(37, 108, 131);
/* oklch */ color: oklch(49.8% 0.078 223.4);
Tailwind
colors: {
  custom: {
    50: '#6d96a7',
    500: '#256c83',
    950: '#000000',
  },
}
SCSS
$custom: #256c83;
$custom-light: #6d96a7;
$custom-dark: #000000;
JSON
{
  "hex": "#256c83",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 131
  },
  "hsl": {
    "h": 194.681,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.49768,
    "c": 0.07779,
    "h": 223.4
  },
  "luminance": 0.12757
}

Semantic roles & 50–950 ramp

primary
#256C83
secondary
#B36951
accent
#6D49DF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D0F
muted
#7B7E7F

Preview Lab

Preview with #256C83

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

Preview Lab → · Contrast checker → · Palette generator →

#256C83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva