#5BBBF0#5BBBF0

#5BBBF0 is a light, moderate cyan. Relative luminance 0.441; OKLCH L 75.5% C 0.118 H 235.5°. Best body text is #000000 at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBF0
RGB	rgb(91, 187, 240)
HSL	hsl(201, 83%, 65%)
HSV	hsv(201, 62%, 94%)
CMYK	cmyk(62.1%, 22.1%, 0%, 5.9%)
CIE-LAB	lab(72.26, -12.73, -34.77)
CIE-LCH	lch(72.26, 37.03, 249.89°)
OKLab	oklab(75.53% -0.067 -0.0974)
OKLCH	oklch(75.53% 0.118 235.5)
XYZ	xyz(37.8068, 44.0523, 88.9317)
Luminance	0.4406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBF0 #F0905B

analogous

#5BF0DA #5BBBF0 #5B71F0

triadic

#5BBBF0 #F05BBB #BBF05B

tetradic

#5BBBF0 #DA5BF0 #F0905B #71F05B

square

#5BBBF0 #DA5BF0 #F0905B #71F05B

split-complementary

#5BBBF0 #F05B71 #F0DA5B

monochromatic

#1181BF #23A4EB #5BBBF0 #93D2F5 #CBE9FA

Accessibility & contrast

On white

2.14

#5BBBF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.81

#5BBBF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBF0

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBF0	#FFFFFF	#000000	##000000
##5BBBF0	1.00	2.14	9.81	9.81
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.81	21.00	1.00	1.00
##000000	9.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2BAF3

Deuteranopia (green-blind)

#8DABEF

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #5bbbf0;
/* rgb */ color: rgb(91, 187, 240);
/* oklch */ color: oklch(75.5% 0.118 235.5);

Tailwind

colors: {
  custom: {
    50: '#96cff5',
    500: '#5bbbf0',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbf0;
$custom-light: #96cff5;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbf0",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 240
  },
  "hsl": {
    "h": 201.342,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.75529,
    "c": 0.11824,
    "h": 235.5
  },
  "luminance": 0.44056
}

Semantic roles & 50–950 ramp

primary

#5BBBF0

secondary

#EDCCBA

accent

#5306E0

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #5BBBF0

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

Preview Lab → · Contrast checker → · Palette generator →