#5BBBE6#5BBBE6

#5BBBE6 is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.109 H 229.9°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBE6
RGB	rgb(91, 187, 230)
HSL	hsl(199, 74%, 63%)
HSV	hsv(199, 60%, 90%)
CMYK	cmyk(60.4%, 18.7%, 0%, 9.8%)
CIE-LAB	lab(71.88, -15.80, -29.95)
CIE-LCH	lch(71.88, 33.86, 242.18°)
OKLab	oklab(75.09% -0.0704 -0.0836)
OKLCH	oklch(75.09% 0.109 229.9)
XYZ	xyz(36.3621, 43.4744, 81.3227)
Luminance	0.4348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBE6 #E6865B

analogous

#5BE6CB #5BBBE6 #5B75E6

triadic

#5BBBE6 #E65BBB #BBE65B

tetradic

#5BBBE6 #CB5BE6 #E6865B #75E65B

square

#5BBBE6 #CB5BE6 #E6865B #75E65B

split-complementary

#5BBBE6 #E65B75 #E6CB5B

monochromatic

#1A7FAC #26A5DE #5BBBE6 #90D1EE #C5E7F6

Accessibility & contrast

On white

2.17

#5BBBE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#5BBBE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBE6

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBE6	#FFFFFF	#000000	##000000
##5BBBE6	1.00	2.17	9.70	9.70
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B8E8

Deuteranopia (green-blind)

#92AAE5

Tritanopia (blue-blind)

#00C7C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbbe6;
/* rgb */ color: rgb(91, 187, 230);
/* oklch */ color: oklch(75.1% 0.109 229.9);

Tailwind

colors: {
  custom: {
    50: '#95cfee',
    500: '#5bbbe6',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbe6;
$custom-light: #95cfee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbe6",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 230
  },
  "hsl": {
    "h": 198.561,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75092,
    "c": 0.10932,
    "h": 229.9
  },
  "luminance": 0.43478
}

Semantic roles & 50–950 ramp

primary

#5BBBE6

secondary

#E7C5B5

accent

#4D10D6

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BBBE6

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

Preview Lab → · Contrast checker → · Palette generator →