#5BD1EF#5BD1EF

#5BD1EF is a light, moderate cyan. Relative luminance 0.541; OKLCH L 80.5% C 0.113 H 217.3°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#5BD1EF
RGB	rgb(91, 209, 239)
HSL	hsl(192, 82%, 65%)
HSV	hsv(192, 62%, 94%)
CMYK	cmyk(61.9%, 12.6%, 0%, 6.3%)
CIE-LAB	lab(78.49, -24.39, -24.66)
CIE-LCH	lch(78.49, 34.68, 225.32°)
OKLab	oklab(80.49% -0.0899 -0.0686)
OKLCH	oklch(80.49% 0.113 217.3)
XYZ	xyz(42.6885, 54.0526, 89.8281)
Luminance	0.5406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD1EF #EF795B

analogous

#5BEFC3 #5BD1EF #5B87EF

triadic

#5BD1EF #EF5BD1 #D1EF5B

tetradic

#5BD1EF #C35BEF #EF795B #87EF5B

square

#5BD1EF #C35BEF #EF795B #87EF5B

split-complementary

#5BD1EF #EF5B87 #EFC35B

monochromatic

#129BBD #23C1EA #5BD1EF #93E1F4 #CBF0FA

Accessibility & contrast

On white

1.78

#5BD1EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#5BD1EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD1EF

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD1EF	#FFFFFF	#000000	##000000
##5BD1EF	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCBF1

Deuteranopia (green-blind)

#A8BBEF

Tritanopia (blue-blind)

#00DCDA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #5bd1ef;
/* rgb */ color: rgb(91, 209, 239);
/* oklch */ color: oklch(80.5% 0.113 217.3);

Tailwind

colors: {
  custom: {
    50: '#98dff4',
    500: '#5bd1ef',
    950: '#000000',
  },
}

SCSS

$custom: #5bd1ef;
$custom-light: #98dff4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd1ef",
  "rgb": {
    "r": 91,
    "g": 209,
    "b": 239
  },
  "hsl": {
    "h": 192.162,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.8049,
    "c": 0.11303,
    "h": 217.3
  },
  "luminance": 0.54057
}

Semantic roles & 50–950 ramp

primary

#5BD1EF

secondary

#BC4E33

accent

#3307DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD1EF

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

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