#5BB9CC#5BB9CC

#5BB9CC is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.6% C 0.093 H 212.6°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9CC
RGB	rgb(91, 185, 204)
HSL	hsl(190, 53%, 58%)
HSV	hsv(190, 55%, 80%)
CMYK	cmyk(55.4%, 9.3%, 0%, 20%)
CIE-LAB	lab(70.37, -22.44, -18.06)
CIE-LCH	lch(70.37, 28.81, 218.83°)
OKLab	oklab(73.58% -0.0781 -0.05)
OKLCH	oklch(73.58% 0.093 212.6)
XYZ	xyz(32.5581, 41.2786, 63.3668)
Luminance	0.4128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9CC #CC6E5B

analogous

#5BCCA6 #5BB9CC #5B81CC

triadic

#5BB9CC #CC5BB9 #B9CC5B

tetradic

#5BB9CC #A65BCC #CC6E5B #81CC5B

square

#5BB9CC #A65BCC #CC6E5B #81CC5B

split-complementary

#5BB9CC #CC5B81 #CCA65B

monochromatic

#297484 #379EB2 #5BB9CC #8ACDDB #B8E1E9

Accessibility & contrast

On white

2.27

#5BB9CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#5BB9CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9CC

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9CC	#FFFFFF	#000000	##000000
##5BB9CC	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB3CD

Deuteranopia (green-blind)

#99A7CC

Tritanopia (blue-blind)

#00C1BF

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #5bb9cc;
/* rgb */ color: rgb(91, 185, 204);
/* oklch */ color: oklch(73.6% 0.093 212.6);

Tailwind

colors: {
  custom: {
    50: '#93cedb',
    500: '#5bb9cc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9cc;
$custom-light: #93cedb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9cc",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 204
  },
  "hsl": {
    "h": 190.088,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.73582,
    "c": 0.0927,
    "h": 212.6
  },
  "luminance": 0.41282
}

Semantic roles & 50–950 ramp

primary

#5BB9CC

secondary

#D8B2AB

accent

#644CDC

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB9CC

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

Preview Lab → · Contrast checker → · Palette generator →