#5BD1F3#5BD1F3

#5BD1F3 is a light, moderate cyan. Relative luminance 0.543; OKLCH L 80.6% C 0.115 H 219.9°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#5BD1F3
RGB	rgb(91, 209, 243)
HSL	hsl(193, 86%, 65%)
HSV	hsv(193, 63%, 95%)
CMYK	cmyk(62.6%, 14%, 0%, 4.7%)
CIE-LAB	lab(78.63, -23.21, -26.59)
CIE-LCH	lch(78.63, 35.29, 228.88°)
OKLab	oklab(80.65% -0.0884 -0.074)
OKLCH	oklch(80.65% 0.115 219.9)
XYZ	xyz(43.2860, 54.2916, 92.9748)
Luminance	0.5430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD1F3 #F37D5B

analogous

#5BF3C9 #5BD1F3 #5B85F3

triadic

#5BD1F3 #F35BD1 #D1F35B

tetradic

#5BD1F3 #C95BF3 #F37D5B #85F35B

square

#5BD1F3 #C95BF3 #F37D5B #85F35B

split-complementary

#5BD1F3 #F35B85 #F3C95B

monochromatic

#0E9CC5 #22C1EF #5BD1F3 #94E1F7 #CDF1FB

Accessibility & contrast

On white

1.77

#5BD1F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#5BD1F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD1F3

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD1F3	#FFFFFF	#000000	##000000
##5BD1F3	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCCF5

Deuteranopia (green-blind)

#A6BCF3

Tritanopia (blue-blind)

#00DCDC

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #5bd1f3;
/* rgb */ color: rgb(91, 209, 243);
/* oklch */ color: oklch(80.6% 0.115 219.9);

Tailwind

colors: {
  custom: {
    50: '#98dff7',
    500: '#5bd1f3',
    950: '#000000',
  },
}

SCSS

$custom: #5bd1f3;
$custom-light: #98dff7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd1f3",
  "rgb": {
    "r": 91,
    "g": 209,
    "b": 243
  },
  "hsl": {
    "h": 193.421,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.80648,
    "c": 0.11526,
    "h": 219.9
  },
  "luminance": 0.54296
}

Semantic roles & 50–950 ramp

primary

#5BD1F3

secondary

#C25130

accent

#3503E3

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD1F3

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

Preview Lab → · Contrast checker → · Palette generator →