#5BCBE9#5BCBE9

#5BCBE9 is a light, moderate cyan. Relative luminance 0.508; OKLCH L 78.9% C 0.109 H 218.2°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#5BCBE9
RGB	rgb(91, 203, 233)
HSL	hsl(193, 76%, 64%)
HSV	hsv(193, 61%, 91%)
CMYK	cmyk(60.9%, 12.9%, 0%, 8.6%)
CIE-LAB	lab(76.57, -23.14, -24.38)
CIE-LCH	lch(76.57, 33.61, 226.49°)
OKLab	oklab(78.88% -0.086 -0.0678)
OKLCH	oklch(78.88% 0.109 218.2)
XYZ	xyz(40.3724, 50.8151, 84.7556)
Luminance	0.5082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BCBE9 #E9795B

analogous

#5BE9C0 #5BCBE9 #5B84E9

triadic

#5BCBE9 #E95BCB #CBE95B

tetradic

#5BCBE9 #C05BE9 #E9795B #84E95B

square

#5BCBE9 #C05BE9 #E9795B #84E95B

split-complementary

#5BCBE9 #E95B84 #E9C05B

monochromatic

#1891B2 #25BAE2 #5BCBE9 #91DCF0 #C7EDF7

Accessibility & contrast

On white

1.88

#5BCBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.16

#5BCBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BCBE9

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BCBE9	#FFFFFF	#000000	##000000
##5BCBE9	1.00	1.88	11.16	11.16
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.16	21.00	1.00	1.00
##000000	11.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C6EB

Deuteranopia (green-blind)

#A3B6E9

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #5bcbe9;
/* rgb */ color: rgb(91, 203, 233);
/* oklch */ color: oklch(78.9% 0.109 218.2);

Tailwind

colors: {
  custom: {
    50: '#97dbf0',
    500: '#5bcbe9',
    950: '#000000',
  },
}

SCSS

$custom: #5bcbe9;
$custom-light: #97dbf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bcbe9",
  "rgb": {
    "r": 91,
    "g": 203,
    "b": 233
  },
  "hsl": {
    "h": 192.676,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.78878,
    "c": 0.10948,
    "h": 218.2
  },
  "luminance": 0.50819
}

Semantic roles & 50–950 ramp

primary

#5BCBE9

secondary

#B25036

accent

#380DD9

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #5BCBE9

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

Preview Lab → · Contrast checker → · Palette generator →