#5BBDD1#5BBDD1

#5BBDD1 is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.7% C 0.096 H 212.9°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDD1
RGB	rgb(91, 189, 209)
HSL	hsl(190, 56%, 59%)
HSV	hsv(190, 56%, 82%)
CMYK	cmyk(56.5%, 9.6%, 0%, 18%)
CIE-LAB	lab(71.70, -23.04, -18.78)
CIE-LCH	lch(71.70, 29.72, 219.18°)
OKLab	oklab(74.71% -0.0804 -0.052)
OKLCH	oklch(74.71% 0.096 212.9)
XYZ	xyz(34.0160, 43.2195, 66.8588)
Luminance	0.4322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDD1 #D16F5B

analogous

#5BD1AA #5BBDD1 #5B82D1

triadic

#5BBDD1 #D15BBD #BDD15B

tetradic

#5BBDD1 #AA5BD1 #D16F5B #82D15B

square

#5BBDD1 #AA5BD1 #D16F5B #82D15B

split-complementary

#5BBDD1 #D15B82 #D1AA5B

monochromatic

#277A8B #34A4BA #5BBDD1 #8BD0DE #BBE3EC

Accessibility & contrast

On white

2.18

#5BBDD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#5BBDD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDD1

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDD1	#FFFFFF	#000000	##000000
##5BBDD1	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB7D2

Deuteranopia (green-blind)

#9CAAD1

Tritanopia (blue-blind)

#00C5C3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbdd1;
/* rgb */ color: rgb(91, 189, 209);
/* oklch */ color: oklch(74.7% 0.096 212.9);

Tailwind

colors: {
  custom: {
    50: '#93d1df',
    500: '#5bbdd1',
    950: '#000000',
  },
}

SCSS

$custom: #5bbdd1;
$custom-light: #93d1df;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbdd1",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 209
  },
  "hsl": {
    "h": 190.169,
    "s": 56.19,
    "l": 58.824
  },
  "oklch": {
    "l": 0.74707,
    "c": 0.09579,
    "h": 212.9
  },
  "luminance": 0.43223
}

Semantic roles & 50–950 ramp

primary

#5BBDD1

secondary

#DBB5AD

accent

#6248DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBDD1

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

Preview Lab → · Contrast checker → · Palette generator →