#5BD3F9#5BD3F9

#5BD3F9 is a light, moderate cyan. Relative luminance 0.557; OKLCH L 81.3% C 0.119 H 222.1°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#5BD3F9
RGB	rgb(91, 211, 249)
HSL	hsl(194, 93%, 67%)
HSV	hsv(194, 63%, 98%)
CMYK	cmyk(63.5%, 15.3%, 0%, 2.4%)
CIE-LAB	lab(79.41, -22.43, -28.59)
CIE-LCH	lch(79.41, 36.34, 231.88°)
OKLab	oklab(81.34% -0.0882 -0.0797)
OKLCH	oklch(81.34% 0.119 222.1)
XYZ	xyz(44.7006, 55.6475, 97.9894)
Luminance	0.5565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD3F9 #F9815B

analogous

#5BF9D0 #5BD3F9 #5B84F9

triadic

#5BD3F9 #F95BD3 #D3F95B

tetradic

#5BD3F9 #D05BF9 #F9815B #84F95B

square

#5BD3F9 #D05BF9 #F9815B #84F95B

split-complementary

#5BD3F9 #F95B84 #F9D05B

monochromatic

#08A1D2 #20C3F7 #5BD3F9 #96E3FB #D1F3FD

Accessibility & contrast

On white

1.73

#5BD3F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#5BD3F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD3F9

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD3F9	#FFFFFF	#000000	##000000
##5BD3F9	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCEFB

Deuteranopia (green-blind)

#A6BEF9

Tritanopia (blue-blind)

#00DFDF

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #5bd3f9;
/* rgb */ color: rgb(91, 211, 249);
/* oklch */ color: oklch(81.3% 0.119 222.1);

Tailwind

colors: {
  custom: {
    50: '#99e0fb',
    500: '#5bd3f9',
    950: '#000000',
  },
}

SCSS

$custom: #5bd3f9;
$custom-light: #99e0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd3f9",
  "rgb": {
    "r": 91,
    "g": 211,
    "b": 249
  },
  "hsl": {
    "h": 194.43,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.81344,
    "c": 0.11885,
    "h": 222.1
  },
  "luminance": 0.55652
}

Semantic roles & 50–950 ramp

primary

#5BD3F9

secondary

#CD522B

accent

#3700E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD3F9

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

Preview Lab → · Contrast checker → · Palette generator →