#5BB3CC#5BB3CC

#5BB3CC is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.2% C 0.092 H 218.8°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3CC
RGB	rgb(91, 179, 204)
HSL	hsl(193, 53%, 58%)
HSV	hsv(193, 55%, 80%)
CMYK	cmyk(55.4%, 12.3%, 0%, 20%)
CIE-LAB	lab(68.62, -19.36, -20.72)
CIE-LCH	lch(68.62, 28.36, 226.94°)
OKLab	oklab(72.18% -0.0714 -0.0574)
OKLCH	oklch(72.18% 0.092 218.8)
XYZ	xyz(31.3293, 38.8211, 62.9572)
Luminance	0.3882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3CC #CC745B

analogous

#5BCCAC #5BB3CC #5B7BCC

triadic

#5BB3CC #CC5BB3 #B3CC5B

tetradic

#5BB3CC #AC5BCC #CC745B #7BCC5B

square

#5BB3CC #AC5BCC #CC745B #7BCC5B

split-complementary

#5BB3CC #CC5B7B #CCAC5B

monochromatic

#297084 #3797B2 #5BB3CC #8AC9DB #B8DEE9

Accessibility & contrast

On white

2.40

#5BB3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#5BB3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3CC

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3CC	#FFFFFF	#000000	##000000
##5BB3CC	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AFCD

Deuteranopia (green-blind)

#92A2CC

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb3cc;
/* rgb */ color: rgb(91, 179, 204);
/* oklch */ color: oklch(72.2% 0.092 218.8);

Tailwind

colors: {
  custom: {
    50: '#92cadb',
    500: '#5bb3cc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3cc;
$custom-light: #92cadb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3cc",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 204
  },
  "hsl": {
    "h": 193.274,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.72181,
    "c": 0.09167,
    "h": 218.8
  },
  "luminance": 0.38824
}

Semantic roles & 50–950 ramp

primary

#5BB3CC

secondary

#D8B5AB

accent

#6C4CDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB3CC

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

Preview Lab → · Contrast checker → · Palette generator →