#5BBCEB#5BBCEB

#5BBCEB is a light, moderate cyan. Relative luminance 0.442; OKLCH L 75.5% C 0.113 H 232.0°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCEB
RGB	rgb(91, 188, 235)
HSL	hsl(200, 78%, 64%)
HSV	hsv(200, 61%, 92%)
CMYK	cmyk(61.3%, 20%, 0%, 7.8%)
CIE-LAB	lab(72.35, -14.80, -31.93)
CIE-LCH	lch(72.35, 35.19, 245.13°)
OKLab	oklab(75.54% -0.0697 -0.0893)
OKLCH	oklch(75.54% 0.113 232)
XYZ	xyz(37.2872, 44.1850, 85.1447)
Luminance	0.4419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCEB #EB8A5B

analogous

#5BEBD2 #5BBCEB #5B74EB

triadic

#5BBCEB #EB5BBC #BCEB5B

tetradic

#5BBCEB #D25BEB #EB8A5B #74EB5B

square

#5BBCEB #D25BEB #EB8A5B #74EB5B

split-complementary

#5BBCEB #EB5B74 #EBD25B

monochromatic

#1681B5 #24A6E4 #5BBCEB #92D2F2 #C8E9F8

Accessibility & contrast

On white

2.13

#5BBCEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.84

#5BBCEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCEB

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCEB	#FFFFFF	#000000	##000000
##5BBCEB	1.00	2.13	9.84	9.84
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.84	21.00	1.00	1.00
##000000	9.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BAED

Deuteranopia (green-blind)

#91ABEA

Tritanopia (blue-blind)

#00C9CC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #5bbceb;
/* rgb */ color: rgb(91, 188, 235);
/* oklch */ color: oklch(75.5% 0.113 232.0);

Tailwind

colors: {
  custom: {
    50: '#96d0f1',
    500: '#5bbceb',
    950: '#000000',
  },
}

SCSS

$custom: #5bbceb;
$custom-light: #96d0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbceb",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 235
  },
  "hsl": {
    "h": 199.583,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.75535,
    "c": 0.11327,
    "h": 232
  },
  "luminance": 0.44189
}

Semantic roles & 50–950 ramp

primary

#5BBCEB

secondary

#EAC8B8

accent

#4F0BDB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBCEB

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

Preview Lab → · Contrast checker → · Palette generator →