#5BCEF9#5BCEF9

#5BCEF9 is a light, moderate cyan. Relative luminance 0.532; OKLCH L 80.2% C 0.120 H 225.9°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#5BCEF9
RGB	rgb(91, 206, 249)
HSL	hsl(196, 93%, 67%)
HSV	hsv(196, 63%, 98%)
CMYK	cmyk(63.5%, 17.3%, 0%, 2.4%)
CIE-LAB	lab(77.99, -19.89, -30.77)
CIE-LCH	lch(77.99, 36.64, 237.11°)
OKLab	oklab(80.21% -0.0831 -0.0859)
OKLCH	oklch(80.21% 0.12 225.9)
XYZ	xyz(43.4778, 53.2018, 97.5818)
Luminance	0.5321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BCEF9 #F9865B

analogous

#5BF9D5 #5BCEF9 #5B7FF9

triadic

#5BCEF9 #F95BCE #CEF95B

tetradic

#5BCEF9 #D55BF9 #F9865B #7FF95B

square

#5BCEF9 #D55BF9 #F9865B #7FF95B

split-complementary

#5BCEF9 #F95B7F #F9D55B

monochromatic

#089BD2 #20BCF7 #5BCEF9 #96E0FB #D1F1FD

Accessibility & contrast

On white

1.80

#5BCEF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.64

#5BCEF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BCEF9

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BCEF9	#FFFFFF	#000000	##000000
##5BCEF9	1.00	1.80	11.64	11.64
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.64	21.00	1.00	1.00
##000000	11.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7CAFB

Deuteranopia (green-blind)

#A0BAF9

Tritanopia (blue-blind)

#00DBDC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #5bcef9;
/* rgb */ color: rgb(91, 206, 249);
/* oklch */ color: oklch(80.2% 0.120 225.9);

Tailwind

colors: {
  custom: {
    50: '#98ddfb',
    500: '#5bcef9',
    950: '#000000',
  },
}

SCSS

$custom: #5bcef9;
$custom-light: #98ddfb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bcef9",
  "rgb": {
    "r": 91,
    "g": 206,
    "b": 249
  },
  "hsl": {
    "h": 196.329,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.80209,
    "c": 0.11955,
    "h": 225.9
  },
  "luminance": 0.53206
}

Semantic roles & 50–950 ramp

primary

#5BCEF9

secondary

#CD572B

accent

#3E00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BCEF9

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

Preview Lab → · Contrast checker → · Palette generator →