#5BD2F9#5BD2F9

#5BD2F9 is a light, moderate cyan. Relative luminance 0.552; OKLCH L 81.1% C 0.119 H 222.9°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#5BD2F9
RGB	rgb(91, 210, 249)
HSL	hsl(195, 93%, 67%)
HSV	hsv(195, 63%, 98%)
CMYK	cmyk(63.5%, 15.7%, 0%, 2.4%)
CIE-LAB	lab(79.13, -21.93, -29.02)
CIE-LCH	lch(79.13, 36.38, 232.93°)
OKLab	oklab(81.12% -0.0871 -0.0809)
OKLCH	oklch(81.12% 0.119 222.9)
XYZ	xyz(44.4530, 55.1522, 97.9069)
Luminance	0.5516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD2F9 #F9825B

analogous

#5BF9D1 #5BD2F9 #5B83F9

triadic

#5BD2F9 #F95BD2 #D2F95B

tetradic

#5BD2F9 #D15BF9 #F9825B #83F95B

square

#5BD2F9 #D15BF9 #F9825B #83F95B

split-complementary

#5BD2F9 #F95B83 #F9D15B

monochromatic

#08A0D2 #20C2F7 #5BD2F9 #96E2FB #D1F2FD

Accessibility & contrast

On white

1.75

#5BD2F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.03

#5BD2F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD2F9

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD2F9	#FFFFFF	#000000	##000000
##5BD2F9	1.00	1.75	12.03	12.03
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.03	21.00	1.00	1.00
##000000	12.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCDFB

Deuteranopia (green-blind)

#A5BDF9

Tritanopia (blue-blind)

#00DEDE

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #5bd2f9;
/* rgb */ color: rgb(91, 210, 249);
/* oklch */ color: oklch(81.1% 0.119 222.9);

Tailwind

colors: {
  custom: {
    50: '#99e0fb',
    500: '#5bd2f9',
    950: '#000000',
  },
}

SCSS

$custom: #5bd2f9;
$custom-light: #99e0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd2f9",
  "rgb": {
    "r": 91,
    "g": 210,
    "b": 249
  },
  "hsl": {
    "h": 194.81,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.81116,
    "c": 0.11894,
    "h": 222.9
  },
  "luminance": 0.55157
}

Semantic roles & 50–950 ramp

primary

#5BD2F9

secondary

#CD532B

accent

#3900E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD2F9

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

Preview Lab → · Contrast checker → · Palette generator →