#5BBBD9#5BBBD9

#5BBBD9 is a light, moderate cyan. Relative luminance 0.428; OKLCH L 74.6% C 0.100 H 221.1°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBD9
RGB	rgb(91, 187, 217)
HSL	hsl(194, 62%, 60%)
HSV	hsv(194, 58%, 85%)
CMYK	cmyk(58.1%, 13.8%, 0%, 14.9%)
CIE-LAB	lab(71.40, -19.70, -23.61)
CIE-LCH	lch(71.40, 30.74, 230.16°)
OKLab	oklab(74.55% -0.0752 -0.0656)
OKLCH	oklch(74.55% 0.1 221.1)
XYZ	xyz(34.6042, 42.7712, 72.0642)
Luminance	0.4278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBD9 #D9795B

analogous

#5BD9B8 #5BBBD9 #5B7CD9

triadic

#5BBBD9 #D95BBB #BBD95B

tetradic

#5BBBD9 #B85BD9 #D9795B #7CD95B

square

#5BBBD9 #B85BD9 #D9795B #7CD95B

split-complementary

#5BBBD9 #D95B7C #D9B85B

monochromatic

#237B97 #2EA4C8 #5BBBD9 #8DD0E5 #BEE4F0

Accessibility & contrast

On white

2.20

#5BBBD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#5BBBD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBD9

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBD9	#FFFFFF	#000000	##000000
##5BBBD9	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B7DB

Deuteranopia (green-blind)

#97A9D9

Tritanopia (blue-blind)

#00C5C4

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbbd9;
/* rgb */ color: rgb(91, 187, 217);
/* oklch */ color: oklch(74.6% 0.100 221.1);

Tailwind

colors: {
  custom: {
    50: '#94cfe4',
    500: '#5bbbd9',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbd9;
$custom-light: #94cfe4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbd9",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 217
  },
  "hsl": {
    "h": 194.286,
    "s": 62.376,
    "l": 60.392
  },
  "oklch": {
    "l": 0.74554,
    "c": 0.09978,
    "h": 221.1
  },
  "luminance": 0.42775
}

Semantic roles & 50–950 ramp

primary

#5BBBD9

secondary

#E0BBB0

accent

#451BCA

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BBBD9

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

Preview Lab → · Contrast checker → · Palette generator →