#255A6D#255A6D

#255A6D is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.0% C 0.064 H 224.7°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#255A6D
RGBrgb(37, 90, 109)
HSLhsl(196, 49%, 29%)
HSVhsv(196, 66%, 43%)
CMYKcmyk(66.1%, 17.4%, 0%, 57.3%)
CIE-LABlab(35.61, -11.13, -16.08)
CIE-LCHlch(35.61, 19.55, 235.32°)
OKLaboklab(44.04% -0.0453 -0.0448)
OKLCHoklch(44.04% 0.064 224.7)
XYZxyz(7.1783, 8.8090, 15.7870)
Luminance0.0881 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255A6D #6D3825
analogous
#256D5C #255A6D #25366D
triadic
#255A6D #6D255A #5A6D25
tetradic
#255A6D #5C256D #6D3825 #366D25
square
#255A6D #5C256D #6D3825 #366D25
split-complementary
#255A6D #6D2536 #6D5C25
monochromatic
#081317 #15343F #255A6D #35809B #4BA2C2

Accessibility & contrast

On white

7.60
#255A6D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#255A6D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A6D
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255A6D#FFFFFF#000000##FFFFFF
##255A6D1.007.602.767.60
#FFFFFF7.601.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F586E
Deuteranopia (green-blind)
#45506D
Tritanopia (blue-blind)
#006060
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #255a6d;
/* rgb */ color: rgb(37, 90, 109);
/* oklch */ color: oklch(44.0% 0.064 224.7);
Tailwind
colors: {
  custom: {
    50: '#688897',
    500: '#255a6d',
    950: '#000000',
  },
}
SCSS
$custom: #255a6d;
$custom-light: #688897;
$custom-dark: #000000;
JSON
{
  "hex": "#255a6d",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 109
  },
  "hsl": {
    "h": 195.833,
    "s": 49.315,
    "l": 28.627
  },
  "oklch": {
    "l": 0.4404,
    "c": 0.06373,
    "h": 224.7
  },
  "luminance": 0.0881
}

Semantic roles & 50–950 ramp

primary
#255A6D
secondary
#A0644E
accent
#734FD9
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0D
muted
#7A7C7E

Preview Lab

Preview with #255A6D

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

Preview Lab → · Contrast checker → · Palette generator →

#255A6D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva