#5BCBFD#5BCBFD

#5BCBFD is a light, vivid cyan. Relative luminance 0.520; OKLCH L 79.7% C 0.123 H 230.4°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#5BCBFD
RGB	rgb(91, 203, 253)
HSL	hsl(199, 98%, 67%)
HSV	hsv(199, 64%, 99%)
CMYK	cmyk(64%, 19.8%, 0%, 0.8%)
CIE-LAB	lab(77.29, -17.13, -33.98)
CIE-LCH	lch(77.29, 38.06, 243.25°)
OKLab	oklab(79.7% -0.0787 -0.0951)
OKLCH	oklch(79.7% 0.123 230.4)
XYZ	xyz(43.3930, 52.0233, 100.6641)
Luminance	0.5203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BCBFD #FD8D5B

analogous

#5BFDDE #5BCBFD #5B7AFD

triadic

#5BCBFD #FD5BCB #CBFD5B

tetradic

#5BCBFD #DE5BFD #FD8D5B #7AFD5B

square

#5BCBFD #DE5BFD #FD8D5B #7AFD5B

split-complementary

#5BCBFD #FD5B7A #FDDE5B

monochromatic

#0398DB #1FB8FC #5BCBFD #97DEFE #D4F1FE

Accessibility & contrast

On white

1.84

#5BCBFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#5BCBFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BCBFD

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BCBFD	#FFFFFF	#000000	##000000
##5BCBFD	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C8FF

Deuteranopia (green-blind)

#9BB8FC

Tritanopia (blue-blind)

#00D9DB

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #5bcbfd;
/* rgb */ color: rgb(91, 203, 253);
/* oklch */ color: oklch(79.7% 0.123 230.4);

Tailwind

colors: {
  custom: {
    50: '#99dafe',
    500: '#5bcbfd',
    950: '#000000',
  },
}

SCSS

$custom: #5bcbfd;
$custom-light: #99dafe;
$custom-dark: #000000;

JSON

{
  "hex": "#5bcbfd",
  "rgb": {
    "r": 91,
    "g": 203,
    "b": 253
  },
  "hsl": {
    "h": 198.519,
    "s": 97.59,
    "l": 67.451
  },
  "oklch": {
    "l": 0.797,
    "c": 0.12346,
    "h": 230.4
  },
  "luminance": 0.52028
}

Semantic roles & 50–950 ramp

primary

#5BCBFD

secondary

#D45D28

accent

#4700E6

background

#FCFEFF

surface

#F5FBFF

border

#CFD4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BCBFD

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

Preview Lab → · Contrast checker → · Palette generator →