#5BDAF9#5BDAF9

#5BDAF9 is a very light, moderate cyan. Relative luminance 0.592; OKLCH L 82.9% C 0.119 H 216.8°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#5BDAF9
RGB	rgb(91, 218, 249)
HSL	hsl(192, 93%, 67%)
HSV	hsv(192, 63%, 98%)
CMYK	cmyk(63.5%, 12.4%, 0%, 2.4%)
CIE-LAB	lab(81.40, -25.92, -25.55)
CIE-LCH	lch(81.40, 36.39, 224.59°)
OKLab	oklab(82.94% -0.0952 -0.0711)
OKLCH	oklch(82.94% 0.119 216.8)
XYZ	xyz(46.4777, 59.2016, 98.5818)
Luminance	0.5921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BDAF9 #F97A5B

analogous

#5BF9C9 #5BDAF9 #5B8BF9

triadic

#5BDAF9 #F95BDA #DAF95B

tetradic

#5BDAF9 #C95BF9 #F97A5B #8BF95B

square

#5BDAF9 #C95BF9 #F97A5B #8BF95B

split-complementary

#5BDAF9 #F95B8B #F9C95B

monochromatic

#08AAD2 #20CDF7 #5BDAF9 #96E7FB #D1F5FD

Accessibility & contrast

On white

1.64

#5BDAF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.84

#5BDAF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BDAF9

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BDAF9	#FFFFFF	#000000	##000000
##5BDAF9	1.00	1.64	12.84	12.84
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.84	21.00	1.00	1.00
##000000	12.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D4FB

Deuteranopia (green-blind)

#AEC3F9

Tritanopia (blue-blind)

#00E5E4

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #5bdaf9;
/* rgb */ color: rgb(91, 218, 249);
/* oklch */ color: oklch(82.9% 0.119 216.8);

Tailwind

colors: {
  custom: {
    50: '#99e5fb',
    500: '#5bdaf9',
    950: '#000000',
  },
}

SCSS

$custom: #5bdaf9;
$custom-light: #99e5fb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bdaf9",
  "rgb": {
    "r": 91,
    "g": 218,
    "b": 249
  },
  "hsl": {
    "h": 191.772,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.82939,
    "c": 0.11878,
    "h": 216.8
  },
  "luminance": 0.59207
}

Semantic roles & 50–950 ramp

primary

#5BDAF9

secondary

#CD4B2B

accent

#2D00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #5BDAF9

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

Preview Lab → · Contrast checker → · Palette generator →