#5BD5EF#5BD5EF

#5BD5EF is a light, moderate cyan. Relative luminance 0.560; OKLCH L 81.4% C 0.113 H 214.1°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#5BD5EF
RGB	rgb(91, 213, 239)
HSL	hsl(191, 82%, 65%)
HSV	hsv(191, 62%, 94%)
CMYK	cmyk(61.9%, 10.9%, 0%, 6.3%)
CIE-LAB	lab(79.64, -26.37, -22.92)
CIE-LCH	lch(79.64, 34.94, 220.99°)
OKLab	oklab(81.41% -0.0939 -0.0636)
OKLCH	oklch(81.41% 0.113 214.1)
XYZ	xyz(43.6822, 56.0401, 90.1593)
Luminance	0.5605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD5EF #EF755B

analogous

#5BEFBF #5BD5EF #5B8BEF

triadic

#5BD5EF #EF5BD5 #D5EF5B

tetradic

#5BD5EF #BF5BEF #EF755B #8BEF5B

square

#5BD5EF #BF5BEF #EF755B #8BEF5B

split-complementary

#5BD5EF #EF5B8B #EFBF5B

monochromatic

#129FBD #23C7EA #5BD5EF #93E3F4 #CBF2FA

Accessibility & contrast

On white

1.72

#5BD5EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.21

#5BD5EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD5EF

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD5EF	#FFFFFF	#000000	##000000
##5BD5EF	1.00	1.72	12.21	12.21
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.21	21.00	1.00	1.00
##000000	12.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CFF1

Deuteranopia (green-blind)

#ACBEEF

Tritanopia (blue-blind)

#00DFDD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #5bd5ef;
/* rgb */ color: rgb(91, 213, 239);
/* oklch */ color: oklch(81.4% 0.113 214.1);

Tailwind

colors: {
  custom: {
    50: '#98e2f4',
    500: '#5bd5ef',
    950: '#000000',
  },
}

SCSS

$custom: #5bd5ef;
$custom-light: #98e2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd5ef",
  "rgb": {
    "r": 91,
    "g": 213,
    "b": 239
  },
  "hsl": {
    "h": 190.541,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.81408,
    "c": 0.11347,
    "h": 214.1
  },
  "luminance": 0.56045
}

Semantic roles & 50–950 ramp

primary

#5BD5EF

secondary

#BC4B33

accent

#2D07DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD5EF

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

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