#255D8C#255D8C

#255D8C is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.5% C 0.096 H 247.2°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX#255D8C
RGBrgb(37, 93, 140)
HSLhsl(207, 58%, 35%)
HSVhsv(207, 74%, 55%)
CMYKcmyk(73.6%, 33.6%, 0%, 45.1%)
CIE-LABlab(38.05, -1.66, -31.31)
CIE-LCHlch(38.05, 31.36, 266.96°)
OKLaboklab(46.45% -0.0373 -0.0888)
OKLCHoklch(46.45% 0.096 247.2)
XYZxyz(9.4091, 10.1144, 26.2623)
Luminance0.1012 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255D8C #8C5425
analogous
#258C88 #255D8C #25298C
triadic
#255D8C #8C255D #5D8C25
tetradic
#255D8C #88258C #8C5425 #298C25
square
#255D8C #88258C #8C5425 #298C25
split-complementary
#255D8C #8C2529 #8C8825
monochromatic
#0B1D2B #183D5C #255D8C #327DBC #589BD3

Accessibility & contrast

On white

6.95
#255D8C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.02
#255D8C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D8C
6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255D8C#FFFFFF#000000##FFFFFF
##255D8C1.006.953.026.95
#FFFFFF6.951.0021.001.00
#0000003.0221.001.0021.00
##FFFFFF6.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#485F8E
Deuteranopia (green-blind)
#39558B
Tritanopia (blue-blind)
#00686E
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #255d8c;
/* rgb */ color: rgb(37, 93, 140);
/* oklch */ color: oklch(46.5% 0.096 247.2);
Tailwind
colors: {
  custom: {
    50: '#6d8aae',
    500: '#255d8c',
    950: '#000000',
  },
}
SCSS
$custom: #255d8c;
$custom-light: #6d8aae;
$custom-dark: #000000;
JSON
{
  "hex": "#255d8c",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 140
  },
  "hsl": {
    "h": 207.379,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.46454,
    "c": 0.09632,
    "h": 247.2
  },
  "luminance": 0.10115
}

Semantic roles & 50–950 ramp

primary
#255D8C
secondary
#B88255
accent
#8D46E1
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080B10
muted
#7B7C7F

Preview Lab

Preview with #255D8C

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

Preview Lab → · Contrast checker → · Palette generator →

#255D8C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva