#5BBBEC#5BBBEC

#5BBBEC is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.4% C 0.115 H 233.4°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBEC
RGB	rgb(91, 187, 236)
HSL	hsl(200, 79%, 64%)
HSV	hsv(200, 61%, 93%)
CMYK	cmyk(61.4%, 20.8%, 0%, 7.5%)
CIE-LAB	lab(72.11, -13.97, -32.85)
CIE-LCH	lch(72.11, 35.70, 246.97°)
OKLab	oklab(75.35% -0.0683 -0.0919)
OKLCH	oklch(75.35% 0.115 233.4)
XYZ	xyz(37.2192, 43.8172, 85.8367)
Luminance	0.4382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBEC #EC8C5B

analogous

#5BECD5 #5BBBEC #5B73EC

triadic

#5BBBEC #EC5BBB #BBEC5B

tetradic

#5BBBEC #D55BEC #EC8C5B #73EC5B

square

#5BBBEC #D55BEC #EC8C5B #73EC5B

split-complementary

#5BBBEC #EC5B73 #ECD55B

monochromatic

#1581B7 #24A4E6 #5BBBEC #92D2F2 #C9E8F9

Accessibility & contrast

On white

2.15

#5BBBEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#5BBBEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBEC

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBEC	#FFFFFF	#000000	##000000
##5BBBEC	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B9EE

Deuteranopia (green-blind)

#8FAAEB

Tritanopia (blue-blind)

#00C8CB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #5bbbec;
/* rgb */ color: rgb(91, 187, 236);
/* oklch */ color: oklch(75.4% 0.115 233.4);

Tailwind

colors: {
  custom: {
    50: '#96cff2',
    500: '#5bbbec',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbec;
$custom-light: #96cff2;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbec",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 236
  },
  "hsl": {
    "h": 200.276,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.75352,
    "c": 0.11454,
    "h": 233.4
  },
  "luminance": 0.43821
}

Semantic roles & 50–950 ramp

primary

#5BBBEC

secondary

#EBC9B8

accent

#510ADC

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #5BBBEC

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

Preview Lab → · Contrast checker → · Palette generator →