#5BBCD1#5BBCD1

#5BBCD1 is a light, moderate cyan. Relative luminance 0.428; OKLCH L 74.5% C 0.096 H 213.9°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCD1
RGB	rgb(91, 188, 209)
HSL	hsl(191, 56%, 59%)
HSV	hsv(191, 56%, 82%)
CMYK	cmyk(56.5%, 10%, 0%, 18%)
CIE-LAB	lab(71.41, -22.53, -19.22)
CIE-LCH	lch(71.41, 29.62, 220.46°)
OKLab	oklab(74.47% -0.0794 -0.0532)
OKLCH	oklch(74.47% 0.096 213.9)
XYZ	xyz(33.8016, 42.7908, 66.7874)
Luminance	0.4279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCD1 #D1705B

analogous

#5BD1AB #5BBCD1 #5B81D1

triadic

#5BBCD1 #D15BBC #BCD15B

tetradic

#5BBCD1 #AB5BD1 #D1705B #81D15B

square

#5BBCD1 #AB5BD1 #D1705B #81D15B

split-complementary

#5BBCD1 #D15B81 #D1AB5B

monochromatic

#27798B #34A3BA #5BBCD1 #8BD0DE #BBE3EC

Accessibility & contrast

On white

2.20

#5BBCD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#5BBCD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCD1

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCD1	#FFFFFF	#000000	##000000
##5BBCD1	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB6D2

Deuteranopia (green-blind)

#9BA9D1

Tritanopia (blue-blind)

#00C4C2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbcd1;
/* rgb */ color: rgb(91, 188, 209);
/* oklch */ color: oklch(74.5% 0.096 213.9);

Tailwind

colors: {
  custom: {
    50: '#93d0df',
    500: '#5bbcd1',
    950: '#000000',
  },
}

SCSS

$custom: #5bbcd1;
$custom-light: #93d0df;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbcd1",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 209
  },
  "hsl": {
    "h": 190.678,
    "s": 56.19,
    "l": 58.824
  },
  "oklch": {
    "l": 0.74473,
    "c": 0.09557,
    "h": 213.9
  },
  "luminance": 0.42794
}

Semantic roles & 50–950 ramp

primary

#5BBCD1

secondary

#DBB5AD

accent

#6348DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBCD1

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

Preview Lab → · Contrast checker → · Palette generator →