#5BBBD2#5BBBD2

#5BBBD2 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.3% C 0.096 H 215.7°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBD2
RGB	rgb(91, 187, 210)
HSL	hsl(192, 57%, 59%)
HSV	hsv(192, 57%, 82%)
CMYK	cmyk(56.7%, 11%, 0%, 17.6%)
CIE-LAB	lab(71.16, -21.74, -20.16)
CIE-LCH	lch(71.16, 29.64, 222.84°)
OKLab	oklab(74.28% -0.0779 -0.0559)
OKLCH	oklch(74.28% 0.096 215.7)
XYZ	xyz(33.7129, 42.4147, 67.3705)
Luminance	0.4242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBD2 #D2725B

analogous

#5BD2AE #5BBBD2 #5B80D2

triadic

#5BBBD2 #D25BBB #BBD25B

tetradic

#5BBBD2 #AE5BD2 #D2725B #80D25B

square

#5BBBD2 #AE5BD2 #D2725B #80D25B

split-complementary

#5BBBD2 #D25B80 #D2AE5B

monochromatic

#26788C #34A2BC #5BBBD2 #8BCFDF #BBE3EC

Accessibility & contrast

On white

2.21

#5BBBD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#5BBBD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBD2

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBD2	#FFFFFF	#000000	##000000
##5BBBD2	1.00	2.21	9.48	9.48
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB6D3

Deuteranopia (green-blind)

#99A8D2

Tritanopia (blue-blind)

#00C4C2

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bbbd2;
/* rgb */ color: rgb(91, 187, 210);
/* oklch */ color: oklch(74.3% 0.096 215.7);

Tailwind

colors: {
  custom: {
    50: '#93cfdf',
    500: '#5bbbd2',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbd2;
$custom-light: #93cfdf;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbd2",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 210
  },
  "hsl": {
    "h": 191.597,
    "s": 56.938,
    "l": 59.02
  },
  "oklch": {
    "l": 0.74279,
    "c": 0.09585,
    "h": 215.7
  },
  "luminance": 0.42418
}

Semantic roles & 50–950 ramp

primary

#5BBBD2

secondary

#DCB6AD

accent

#6548E0

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBBD2

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

Preview Lab → · Contrast checker → · Palette generator →