#5BBFE5#5BBFE5

#5BBFE5 is a light, moderate cyan. Relative luminance 0.451; OKLCH L 76.0% C 0.108 H 225.8°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#5BBFE5
RGB	rgb(91, 191, 229)
HSL	hsl(197, 73%, 63%)
HSV	hsv(197, 60%, 90%)
CMYK	cmyk(60.3%, 16.6%, 0%, 10.2%)
CIE-LAB	lab(72.98, -18.20, -27.70)
CIE-LCH	lch(72.98, 33.15, 236.70°)
OKLab	oklab(75.96% -0.075 -0.0772)
OKLCH	oklch(75.96% 0.108 225.8)
XYZ	xyz(37.0825, 45.1392, 80.8720)
Luminance	0.4514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBFE5 #E5815B

analogous

#5BE5C6 #5BBFE5 #5B7AE5

triadic

#5BBFE5 #E55BBF #BFE55B

tetradic

#5BBFE5 #C65BE5 #E5815B #7AE55B

square

#5BBFE5 #C65BE5 #E5815B #7AE55B

split-complementary

#5BBFE5 #E55B7A #E5C65B

monochromatic

#1B83AB #26AADD #5BBFE5 #90D4ED #C5E8F6

Accessibility & contrast

On white

2.09

#5BBFE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#5BBFE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBFE5

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBFE5	#FFFFFF	#000000	##000000
##5BBFE5	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABBE7

Deuteranopia (green-blind)

#97ADE5

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #5bbfe5;
/* rgb */ color: rgb(91, 191, 229);
/* oklch */ color: oklch(76.0% 0.108 225.8);

Tailwind

colors: {
  custom: {
    50: '#95d2ed',
    500: '#5bbfe5',
    950: '#000000',
  },
}

SCSS

$custom: #5bbfe5;
$custom-light: #95d2ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbfe5",
  "rgb": {
    "r": 91,
    "g": 191,
    "b": 229
  },
  "hsl": {
    "h": 196.522,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.75964,
    "c": 0.10763,
    "h": 225.8
  },
  "luminance": 0.45143
}

Semantic roles & 50–950 ramp

primary

#5BBFE5

secondary

#E7C3B5

accent

#4711D5

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBFE5

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

Preview Lab → · Contrast checker → · Palette generator →