#91C5E9#91C5E9

#91C5E9 is a light, moderate cyan. Relative luminance 0.518; OKLCH L 80.0% C 0.075 H 239.1°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#91C5E9
RGBrgb(145, 197, 233)
HSLhsl(205, 67%, 74%)
HSVhsv(205, 38%, 91%)
CMYKcmyk(37.8%, 15.5%, 0%, 8.6%)
CIE-LABlab(77.18, -8.09, -23.24)
CIE-LCHlch(77.18, 24.61, 250.79°)
OKLaboklab(79.99% -0.0383 -0.0641)
OKLCHoklch(79.99% 0.075 239.1)
XYZxyz(46.3465, 51.8328, 84.6376)
Luminance0.5183 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#91C5E9 #E9B591
analogous
#91E9E1 #91C5E9 #9199E9
triadic
#91C5E9 #E991C5 #C5E991
tetradic
#91C5E9 #E191E9 #E9B591 #99E991
square
#91C5E9 #E191E9 #E9B591 #99E991
split-complementary
#91C5E9 #E99199 #E9E191
monochromatic
#2B8FD5 #5EAADF #91C5E9 #C4E0F3 #E5F2FA

Accessibility & contrast

On white

1.85
#91C5E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.37
#91C5E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91C5E9
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##91C5E9#FFFFFF#000000##000000
##91C5E91.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5C4EB
Deuteranopia (green-blind)
#A9BAE8
Tritanopia (blue-blind)
#72CED1
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #91c5e9;
/* rgb */ color: rgb(145, 197, 233);
/* oklch */ color: oklch(80.0% 0.075 239.1);
Tailwind
colors: {
  custom: {
    50: '#b4d6f0',
    500: '#91c5e9',
    950: '#000000',
  },
}
SCSS
$custom: #91c5e9;
$custom-light: #b4d6f0;
$custom-dark: #000000;
JSON
{
  "hex": "#91c5e9",
  "rgb": {
    "r": 145,
    "g": 197,
    "b": 233
  },
  "hsl": {
    "h": 204.545,
    "s": 66.667,
    "l": 74.118
  },
  "oklch": {
    "l": 0.79989,
    "c": 0.07465,
    "h": 239.1
  },
  "luminance": 0.51835
}

Semantic roles & 50–950 ramp

primary
#91C5E9
secondary
#C3865B
accent
#6217CF
background
#FDFEFF
surface
#F8FBFE
border
#D1D4D6
text
#111416
muted
#818385

Preview Lab

Preview with #91C5E9

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

Preview Lab → · Contrast checker → · Palette generator →

#91C5E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva