#91C5FB#91C5FB

#91C5FB is a light, moderate cyan. Relative luminance 0.529; OKLCH L 80.7% C 0.094 H 250.0°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#91C5FB
RGB	rgb(145, 197, 251)
HSL	hsl(211, 93%, 78%)
HSV	hsv(211, 42%, 98%)
CMYK	cmyk(42.2%, 21.5%, 0%, 1.6%)
CIE-LAB	lab(77.82, -3.36, -31.91)
CIE-LCH	lch(77.82, 32.09, 263.99°)
OKLab	oklab(80.71% -0.0323 -0.0886)
OKLCH	oklch(80.71% 0.094 250)
XYZ	xyz(49.0501, 52.9143, 98.8769)
Luminance	0.5292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91C5FB #FBC791

analogous

#91FAFB #91C5FB #9291FB

triadic

#91C5FB #FB91C5 #C5FB91

tetradic

#91C5FB #FB91FA #FBC791 #91FB92

square

#91C5FB #FB91FA #FBC791 #91FB92

split-complementary

#91C5FB #FB9291 #FAFB91

monochromatic

#1B87F7 #56A6F9 #91C5FB #CCE4FD #E1EFFE

Accessibility & contrast

On white

1.81

#91C5FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#91C5FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91C5FB

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91C5FB	#FFFFFF	#000000	##000000
##91C5FB	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C6FE

Deuteranopia (green-blind)

#A3BCFA

Tritanopia (blue-blind)

#69D1D7

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #91c5fb;
/* rgb */ color: rgb(145, 197, 251);
/* oklch */ color: oklch(80.7% 0.094 250.0);

Tailwind

colors: {
  custom: {
    50: '#b5d6fc',
    500: '#91c5fb',
    950: '#000000',
  },
}

SCSS

$custom: #91c5fb;
$custom-light: #b5d6fc;
$custom-dark: #000000;

JSON

{
  "hex": "#91c5fb",
  "rgb": {
    "r": 145,
    "g": 197,
    "b": 251
  },
  "hsl": {
    "h": 210.566,
    "s": 92.982,
    "l": 77.647
  },
  "oklch": {
    "l": 0.8071,
    "c": 0.09433,
    "h": 250
  },
  "luminance": 0.52917
}

Semantic roles & 50–950 ramp

primary

#91C5FB

secondary

#DB9955

accent

#7500E6

background

#FDFEFF

surface

#F8FBFF

border

#D1D4D7

text

#111417

muted

#818385

Preview Lab

Preview with #91C5FB

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

Preview Lab → · Contrast checker → · Palette generator →