#5BBBD0#5BBBD0

#5BBBD0 is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.2% C 0.095 H 214.0°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBD0
RGB	rgb(91, 187, 208)
HSL	hsl(191, 55%, 59%)
HSV	hsv(191, 56%, 82%)
CMYK	cmyk(56.2%, 10.1%, 0%, 18.4%)
CIE-LAB	lab(71.09, -22.31, -19.17)
CIE-LCH	lch(71.09, 29.42, 220.66°)
OKLab	oklab(74.2% -0.0787 -0.0531)
OKLCH	oklch(74.2% 0.095 214)
XYZ	xyz(33.4653, 42.3157, 66.0664)
Luminance	0.4232 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBD0 #D0705B

analogous

#5BD0AA #5BBBD0 #5B80D0

triadic

#5BBBD0 #D05BBB #BBD05B

tetradic

#5BBBD0 #AA5BD0 #D0705B #80D05B

square

#5BBBD0 #AA5BD0 #D0705B #80D05B

split-complementary

#5BBBD0 #D05B80 #D0AA5B

monochromatic

#277889 #35A1B9 #5BBBD0 #8BCFDE #BAE2EB

Accessibility & contrast

On white

2.22

#5BBBD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#5BBBD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBD0

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBD0	#FFFFFF	#000000	##000000
##5BBBD0	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB6D1

Deuteranopia (green-blind)

#9AA8D0

Tritanopia (blue-blind)

#00C3C1

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bbbd0;
/* rgb */ color: rgb(91, 187, 208);
/* oklch */ color: oklch(74.2% 0.095 214.0);

Tailwind

colors: {
  custom: {
    50: '#93cfde',
    500: '#5bbbd0',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbd0;
$custom-light: #93cfde;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbd0",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 208
  },
  "hsl": {
    "h": 190.769,
    "s": 55.45,
    "l": 58.627
  },
  "oklch": {
    "l": 0.74202,
    "c": 0.0949,
    "h": 214
  },
  "luminance": 0.42319
}

Semantic roles & 50–950 ramp

primary

#5BBBD0

secondary

#DBB5AC

accent

#6449DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBBD0

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

Preview Lab → · Contrast checker → · Palette generator →