#5BDBF9#5BDBF9

#5BDBF9 is a very light, moderate cyan. Relative luminance 0.597; OKLCH L 83.2% C 0.119 H 216.0°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#5BDBF9
RGB	rgb(91, 219, 249)
HSL	hsl(191, 93%, 67%)
HSV	hsv(191, 63%, 98%)
CMYK	cmyk(63.5%, 12%, 0%, 2.4%)
CIE-LAB	lab(81.69, -26.41, -25.11)
CIE-LCH	lch(81.69, 36.45, 223.56°)
OKLab	oklab(83.17% -0.0962 -0.0698)
OKLCH	oklch(83.17% 0.119 216)
XYZ	xyz(46.7378, 59.7217, 98.6685)
Luminance	0.5973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BDBF9 #F9795B

analogous

#5BF9C8 #5BDBF9 #5B8CF9

triadic

#5BDBF9 #F95BDB #DBF95B

tetradic

#5BDBF9 #C85BF9 #F9795B #8CF95B

square

#5BDBF9 #C85BF9 #F9795B #8CF95B

split-complementary

#5BDBF9 #F95B8C #F9C85B

monochromatic

#08ACD2 #20CEF7 #5BDBF9 #96E8FB #D1F5FD

Accessibility & contrast

On white

1.62

#5BDBF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.95

#5BDBF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BDBF9

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BDBF9	#FFFFFF	#000000	##000000
##5BDBF9	1.00	1.62	12.95	12.95
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.95	21.00	1.00	1.00
##000000	12.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D5FB

Deuteranopia (green-blind)

#B0C4F9

Tritanopia (blue-blind)

#00E6E4

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #5bdbf9;
/* rgb */ color: rgb(91, 219, 249);
/* oklch */ color: oklch(83.2% 0.119 216.0);

Tailwind

colors: {
  custom: {
    50: '#99e6fb',
    500: '#5bdbf9',
    950: '#000000',
  },
}

SCSS

$custom: #5bdbf9;
$custom-light: #99e6fb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bdbf9",
  "rgb": {
    "r": 91,
    "g": 219,
    "b": 249
  },
  "hsl": {
    "h": 191.392,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.83167,
    "c": 0.11885,
    "h": 216
  },
  "luminance": 0.59727
}

Semantic roles & 50–950 ramp

primary

#5BDBF9

secondary

#CD4A2B

accent

#2C00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #5BDBF9

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

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