#5BB4CC#5BB4CC

#5BB4CC is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.4% C 0.092 H 217.8°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4CC
RGB	rgb(91, 180, 204)
HSL	hsl(193, 53%, 58%)
HSV	hsv(193, 55%, 80%)
CMYK	cmyk(55.4%, 11.8%, 0%, 20%)
CIE-LAB	lab(68.91, -19.88, -20.28)
CIE-LCH	lch(68.91, 28.39, 225.57°)
OKLab	oklab(72.41% -0.0725 -0.0562)
OKLCH	oklch(72.41% 0.092 217.8)
XYZ	xyz(31.5305, 39.2234, 63.0243)
Luminance	0.3923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4CC #CC735B

analogous

#5BCCAB #5BB4CC #5B7CCC

triadic

#5BB4CC #CC5BB4 #B4CC5B

tetradic

#5BB4CC #AB5BCC #CC735B #7CCC5B

square

#5BB4CC #AB5BCC #CC735B #7CCC5B

split-complementary

#5BB4CC #CC5B7C #CCAB5B

monochromatic

#297084 #3798B2 #5BB4CC #8AC9DB #B8DFE9

Accessibility & contrast

On white

2.37

#5BB4CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#5BB4CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4CC

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4CC	#FFFFFF	#000000	##000000
##5BB4CC	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCD

Deuteranopia (green-blind)

#93A3CC

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb4cc;
/* rgb */ color: rgb(91, 180, 204);
/* oklch */ color: oklch(72.4% 0.092 217.8);

Tailwind

colors: {
  custom: {
    50: '#92cadb',
    500: '#5bb4cc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4cc;
$custom-light: #92cadb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4cc",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 204
  },
  "hsl": {
    "h": 192.743,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.72414,
    "c": 0.09177,
    "h": 217.8
  },
  "luminance": 0.39226
}

Semantic roles & 50–950 ramp

primary

#5BB4CC

secondary

#D8B4AB

accent

#6A4CDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB4CC

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

Preview Lab → · Contrast checker → · Palette generator →