#5BDCF9#5BDCF9

#5BDCF9 is a very light, moderate cyan. Relative luminance 0.603; OKLCH L 83.4% C 0.119 H 215.2°. Best body text is #000000 at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#5BDCF9
RGB	rgb(91, 220, 249)
HSL	hsl(191, 93%, 67%)
HSV	hsv(191, 63%, 98%)
CMYK	cmyk(63.5%, 11.6%, 0%, 2.4%)
CIE-LAB	lab(81.97, -26.90, -24.68)
CIE-LCH	lch(81.97, 36.51, 222.53°)
OKLab	oklab(83.4% -0.0972 -0.0686)
OKLCH	oklch(83.4% 0.119 215.2)
XYZ	xyz(46.9994, 60.2451, 98.7557)
Luminance	0.6025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BDCF9 #F9785B

analogous

#5BF9C7 #5BDCF9 #5B8DF9

triadic

#5BDCF9 #F95BDC #DCF95B

tetradic

#5BDCF9 #C75BF9 #F9785B #8DF95B

square

#5BDCF9 #C75BF9 #F9785B #8DF95B

split-complementary

#5BDCF9 #F95B8D #F9C75B

monochromatic

#08ADD2 #20CFF7 #5BDCF9 #96E9FB #D1F5FD

Accessibility & contrast

On white

1.61

#5BDCF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.05

#5BDCF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BDCF9

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BDCF9	#FFFFFF	#000000	##000000
##5BDCF9	1.00	1.61	13.05	13.05
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.05	21.00	1.00	1.00
##000000	13.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D5FB

Deuteranopia (green-blind)

#B1C5F9

Tritanopia (blue-blind)

#00E7E5

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #5bdcf9;
/* rgb */ color: rgb(91, 220, 249);
/* oklch */ color: oklch(83.4% 0.119 215.2);

Tailwind

colors: {
  custom: {
    50: '#99e7fb',
    500: '#5bdcf9',
    950: '#000000',
  },
}

SCSS

$custom: #5bdcf9;
$custom-light: #99e7fb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bdcf9",
  "rgb": {
    "r": 91,
    "g": 220,
    "b": 249
  },
  "hsl": {
    "h": 191.013,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.83395,
    "c": 0.11896,
    "h": 215.2
  },
  "luminance": 0.6025
}

Semantic roles & 50–950 ramp

primary

#5BDCF9

secondary

#CD492B

accent

#2A00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #5BDCF9

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

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