#5BCFE9#5BCFE9

#5BCFE9 is a light, moderate cyan. Relative luminance 0.527; OKLCH L 79.8% C 0.110 H 214.9°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#5BCFE9
RGB	rgb(91, 207, 233)
HSL	hsl(191, 76%, 64%)
HSV	hsv(191, 61%, 91%)
CMYK	cmyk(60.9%, 11.2%, 0%, 8.6%)
CIE-LAB	lab(77.71, -25.14, -22.63)
CIE-LCH	lch(77.71, 33.83, 221.99°)
OKLab	oklab(79.8% -0.0901 -0.0628)
OKLCH	oklch(79.8% 0.11 214.9)
XYZ	xyz(41.3292, 52.7287, 85.0746)
Luminance	0.5273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BCFE9 #E9755B

analogous

#5BE9BC #5BCFE9 #5B88E9

triadic

#5BCFE9 #E95BCF #CFE95B

tetradic

#5BCFE9 #BC5BE9 #E9755B #88E95B

square

#5BCFE9 #BC5BE9 #E9755B #88E95B

split-complementary

#5BCFE9 #E95B88 #E9BC5B

monochromatic

#1896B2 #25BFE2 #5BCFE9 #91DFF0 #C7EFF7

Accessibility & contrast

On white

1.82

#5BCFE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#5BCFE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BCFE9

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BCFE9	#FFFFFF	#000000	##000000
##5BCFE9	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC9EB

Deuteranopia (green-blind)

#A8B9E9

Tritanopia (blue-blind)

#00D9D7

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #5bcfe9;
/* rgb */ color: rgb(91, 207, 233);
/* oklch */ color: oklch(79.8% 0.110 214.9);

Tailwind

colors: {
  custom: {
    50: '#97def0',
    500: '#5bcfe9',
    950: '#000000',
  },
}

SCSS

$custom: #5bcfe9;
$custom-light: #97def0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bcfe9",
  "rgb": {
    "r": 91,
    "g": 207,
    "b": 233
  },
  "hsl": {
    "h": 190.986,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.79798,
    "c": 0.10986,
    "h": 214.9
  },
  "luminance": 0.52733
}

Semantic roles & 50–950 ramp

primary

#5BCFE9

secondary

#B24D36

accent

#320DD9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #5BCFE9

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

Preview Lab → · Contrast checker → · Palette generator →