#255C9B#255C9B

#255C9B is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 47.1% C 0.117 H 254.0°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX#255C9B
RGBrgb(37, 92, 155)
HSLhsl(212, 61%, 38%)
HSVhsv(212, 76%, 61%)
CMYKcmyk(76.1%, 40.6%, 0%, 39.2%)
CIE-LABlab(38.57, 4.71, -39.51)
CIE-LCHlch(38.57, 39.79, 276.80°)
OKLaboklab(47.14% -0.0323 -0.1128)
OKLCHoklch(47.14% 0.117 254)
XYZxyz(10.5043, 10.4130, 32.4603)
Luminance0.1041 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255C9B #9B6425
analogous
#25979B #255C9B #29259B
triadic
#255C9B #9B255C #5C9B25
tetradic
#255C9B #9B2597 #9B6425 #259B29
square
#255C9B #9B2597 #9B6425 #259B29
split-complementary
#255C9B #9B2925 #979B25
monochromatic
#0D2138 #193F6A #255C9B #3179CC #6199D9

Accessibility & contrast

On white

6.81
#255C9B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#255C9B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255C9B
6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255C9B#FFFFFF#000000##FFFFFF
##255C9B1.006.813.086.81
#FFFFFF6.811.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E619E
Deuteranopia (green-blind)
#2B569A
Tritanopia (blue-blind)
#006B74
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #255c9b;
/* rgb */ color: rgb(37, 92, 155);
/* oklch */ color: oklch(47.1% 0.117 254.0);
Tailwind
colors: {
  custom: {
    50: '#7089b9',
    500: '#255c9b',
    950: '#000000',
  },
}
SCSS
$custom: #255c9b;
$custom-light: #7089b9;
$custom-dark: #000000;
JSON
{
  "hex": "#255c9b",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 155
  },
  "hsl": {
    "h": 212.034,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.47138,
    "c": 0.11733,
    "h": 254
  },
  "luminance": 0.10414
}

Semantic roles & 50–950 ramp

primary
#255C9B
secondary
#BF915D
accent
#9943E5
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090B11
muted
#7B7C80

Preview Lab

Preview with #255C9B

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

Preview Lab → · Contrast checker → · Palette generator →

#255C9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva