#5BC9FE#5BC9FE

#5BC9FE is a light, vivid cyan. Relative luminance 0.512; OKLCH L 79.3% C 0.125 H 232.3°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#5BC9FE
RGB	rgb(91, 201, 254)
HSL	hsl(200, 99%, 68%)
HSV	hsv(200, 64%, 100%)
CMYK	cmyk(64.2%, 20.9%, 0%, 0.4%)
CIE-LAB	lab(76.77, -15.78, -35.33)
CIE-LCH	lch(76.77, 38.69, 245.93°)
OKLab	oklab(79.29% -0.0764 -0.099)
OKLCH	oklch(79.29% 0.125 232.3)
XYZ	xyz(43.0834, 51.1487, 101.3489)
Luminance	0.5115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC9FE #FE905B

analogous

#5BFEE1 #5BC9FE #5B78FE

triadic

#5BC9FE #FE5BC9 #C9FE5B

tetradic

#5BC9FE #E15BFE #FE905B #78FE5B

square

#5BC9FE #E15BFE #FE905B #78FE5B

split-complementary

#5BC9FE #FE5B78 #FEE15B

monochromatic

#0196DD #1EB5FE #5BC9FE #98DDFE #D5F1FF

Accessibility & contrast

On white

1.87

#5BC9FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#5BC9FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC9FE

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC9FE	#FFFFFF	#000000	##000000
##5BC9FE	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC7FF

Deuteranopia (green-blind)

#98B6FD

Tritanopia (blue-blind)

#00D7DB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #5bc9fe;
/* rgb */ color: rgb(91, 201, 254);
/* oklch */ color: oklch(79.3% 0.125 232.3);

Tailwind

colors: {
  custom: {
    50: '#99d9ff',
    500: '#5bc9fe',
    950: '#000000',
  },
}

SCSS

$custom: #5bc9fe;
$custom-light: #99d9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc9fe",
  "rgb": {
    "r": 91,
    "g": 201,
    "b": 254
  },
  "hsl": {
    "h": 199.509,
    "s": 98.788,
    "l": 67.647
  },
  "oklch": {
    "l": 0.79294,
    "c": 0.12503,
    "h": 232.3
  },
  "luminance": 0.51153
}

Semantic roles & 50–950 ramp

primary

#5BC9FE

secondary

#D66027

accent

#4B00E6

background

#FCFEFF

surface

#F5FBFF

border

#CFD4D7

text

#0F1418

muted

#808386

Preview Lab

Preview with #5BC9FE

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

Preview Lab → · Contrast checker → · Palette generator →