#255FB0#255FB0

#255FB0 is a mid, vivid cyan. Relative luminance 0.117; OKLCH L 49.2% C 0.142 H 257.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#255FB0
RGBrgb(37, 95, 176)
HSLhsl(215, 65%, 42%)
HSVhsv(215, 79%, 69%)
CMYKcmyk(79%, 46%, 0%, 31%)
CIE-LABlab(40.75, 10.92, -48.49)
CIE-LCHlch(40.75, 49.71, 282.69°)
OKLaboklab(49.25% -0.0305 -0.1391)
OKLCHoklch(49.25% 0.142 257.7)
XYZxyz(12.6887, 11.7108, 42.6575)
Luminance0.1171 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255FB0 #B07625
analogous
#25A5B0 #255FB0 #3125B0
triadic
#255FB0 #B0255F #5FB025
tetradic
#255FB0 #B025A5 #B07625 #25B031
square
#255FB0 #B025A5 #B07625 #25B031
split-complementary
#255FB0 #B03125 #A5B025
monochromatic
#10284B #1A447D #255FB0 #3C7CD6 #6F9EE1

Accessibility & contrast

On white

6.28
#255FB0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.34
#255FB0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FB0
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255FB0#FFFFFF#000000##FFFFFF
##255FB01.006.283.346.28
#FFFFFF6.281.0021.001.00
#0000003.3421.001.0021.00
##FFFFFF6.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3467B3
Deuteranopia (green-blind)
#135AAE
Tritanopia (blue-blind)
#00727F
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #255fb0;
/* rgb */ color: rgb(37, 95, 176);
/* oklch */ color: oklch(49.2% 0.142 257.7);
Tailwind
colors: {
  custom: {
    50: '#758bc8',
    500: '#255fb0',
    950: '#000000',
  },
}
SCSS
$custom: #255fb0;
$custom-light: #758bc8;
$custom-dark: #000000;
JSON
{
  "hex": "#255fb0",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 214.964,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49245,
    "c": 0.14244,
    "h": 257.7
  },
  "luminance": 0.11712
}

Semantic roles & 50–950 ramp

primary
#255FB0
secondary
#C7A06A
accent
#A240E8
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C13
muted
#7C7D82

Preview Lab

Preview with #255FB0

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

Preview Lab → · Contrast checker → · Palette generator →

#255FB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva