#5BB6CC#5BB6CC

#5BB6CC is a light, moderate cyan. Relative luminance 0.400; OKLCH L 72.9% C 0.092 H 215.7°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#5BB6CC
RGB	rgb(91, 182, 204)
HSL	hsl(192, 53%, 58%)
HSV	hsv(192, 55%, 80%)
CMYK	cmyk(55.4%, 10.8%, 0%, 20%)
CIE-LAB	lab(69.50, -20.91, -19.39)
CIE-LCH	lch(69.50, 28.52, 222.84°)
OKLab	oklab(72.88% -0.0747 -0.0537)
OKLCH	oklch(72.88% 0.092 215.7)
XYZ	xyz(31.9371, 40.0367, 63.1598)
Luminance	0.4004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB6CC #CC715B

analogous

#5BCCA9 #5BB6CC #5B7ECC

triadic

#5BB6CC #CC5BB6 #B6CC5B

tetradic

#5BB6CC #A95BCC #CC715B #7ECC5B

square

#5BB6CC #A95BCC #CC715B #7ECC5B

split-complementary

#5BB6CC #CC5B7E #CCA95B

monochromatic

#297284 #379AB2 #5BB6CC #8ACBDB #B8E0E9

Accessibility & contrast

On white

2.33

#5BB6CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#5BB6CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB6CC

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB6CC	#FFFFFF	#000000	##000000
##5BB6CC	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B1CD

Deuteranopia (green-blind)

#96A4CC

Tritanopia (blue-blind)

#00BEBD

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #5bb6cc;
/* rgb */ color: rgb(91, 182, 204);
/* oklch */ color: oklch(72.9% 0.092 215.7);

Tailwind

colors: {
  custom: {
    50: '#93ccdb',
    500: '#5bb6cc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb6cc;
$custom-light: #93ccdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb6cc",
  "rgb": {
    "r": 91,
    "g": 182,
    "b": 204
  },
  "hsl": {
    "h": 191.681,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.72881,
    "c": 0.09205,
    "h": 215.7
  },
  "luminance": 0.4004
}

Semantic roles & 50–950 ramp

primary

#5BB6CC

secondary

#D8B4AB

accent

#684CDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB6CC

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

Preview Lab → · Contrast checker → · Palette generator →