#91BBFF#91BBFF

#91BBFF is a light, moderate blue. Relative luminance 0.488; OKLCH L 78.8% C 0.108 H 259.8°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).

Color values

HEX#91BBFF
RGBrgb(145, 187, 255)
HSLhsl(217, 100%, 78%)
HSVhsv(217, 43%, 100%)
CMYKcmyk(43.1%, 26.7%, 0%, 0%)
CIE-LABlab(75.31, 3.17, -37.94)
CIE-LCHlch(75.31, 38.07, 274.78°)
OKLaboklab(78.79% -0.019 -0.1059)
OKLCHoklch(78.79% 0.108 259.8)
XYZxyz(47.4915, 48.7776, 101.5009)
Luminance0.4878 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#91BBFF #FFD591
analogous
#91F2FF #91BBFF #9E91FF
triadic
#91BBFF #FF91BB #BBFF91
tetradic
#91BBFF #FF91F2 #FFD591 #91FF9E
square
#91BBFF #FF91F2 #FFD591 #91FF9E
split-complementary
#91BBFF #FF9E91 #F2FF91
monochromatic
#176FFF #5495FF #91BBFF #CEE1FF #E0ECFF

Accessibility & contrast

On white

1.95
#91BBFF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.76
#91BBFF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91BBFF
10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##91BBFF#FFFFFF#000000##000000
##91BBFF1.001.9510.7610.76
#FFFFFF1.951.0021.0021.00
#00000010.7621.001.001.00
##00000010.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2BFFF
Deuteranopia (green-blind)
#96B5FE
Tritanopia (blue-blind)
#68CAD3
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #91bbff;
/* rgb */ color: rgb(145, 187, 255);
/* oklch */ color: oklch(78.8% 0.108 259.8);
Tailwind
colors: {
  custom: {
    50: '#b5cfff',
    500: '#91bbff',
    950: '#000000',
  },
}
SCSS
$custom: #91bbff;
$custom-light: #b5cfff;
$custom-dark: #000000;
JSON
{
  "hex": "#91bbff",
  "rgb": {
    "r": 145,
    "g": 187,
    "b": 255
  },
  "hsl": {
    "h": 217.091,
    "s": 100,
    "l": 78.431
  },
  "oklch": {
    "l": 0.78791,
    "c": 0.10759,
    "h": 259.8
  },
  "luminance": 0.4878
}

Semantic roles & 50–950 ramp

primary
#91BBFF
secondary
#F7EAD4
accent
#8E00E6
background
#FBFCFF
surface
#F6F9FF
border
#D0D2D7
text
#111318
muted
#808286

Preview Lab

Preview with #91BBFF

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

Preview Lab → · Contrast checker → · Palette generator →

#91BBFF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva