#5BCFFB#5BCFFB

#5BCFFB is a light, vivid cyan. Relative luminance 0.538; OKLCH L 80.5% C 0.121 H 226.3°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#5BCFFB
RGB	rgb(91, 207, 251)
HSL	hsl(197, 95%, 67%)
HSV	hsv(197, 64%, 98%)
CMYK	cmyk(63.7%, 17.5%, 0%, 1.6%)
CIE-LAB	lab(78.35, -19.80, -31.29)
CIE-LCH	lch(78.35, 37.02, 237.67°)
OKLab	oklab(80.52% -0.0834 -0.0874)
OKLCH	oklch(80.52% 0.121 226.3)
XYZ	xyz(44.0329, 53.8102, 99.3139)
Luminance	0.5382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BCFFB #FB875B

analogous

#5BFBD7 #5BCFFB #5B7FFB

triadic

#5BCFFB #FB5BCF #CFFB5B

tetradic

#5BCFFB #D75BFB #FB875B #7FFB5B

square

#5BCFFB #D75BFB #FB875B #7FFB5B

split-complementary

#5BCFFB #FB5B7F #FBD75B

monochromatic

#059DD6 #1FBEFA #5BCFFB #97E0FC #D2F2FE

Accessibility & contrast

On white

1.79

#5BCFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#5BCFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BCFFB

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BCFFB	#FFFFFF	#000000	##000000
##5BCFFB	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7CBFD

Deuteranopia (green-blind)

#A1BBFA

Tritanopia (blue-blind)

#00DCDD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #5bcffb;
/* rgb */ color: rgb(91, 207, 251);
/* oklch */ color: oklch(80.5% 0.121 226.3);

Tailwind

colors: {
  custom: {
    50: '#99ddfc',
    500: '#5bcffb',
    950: '#000000',
  },
}

SCSS

$custom: #5bcffb;
$custom-light: #99ddfc;
$custom-dark: #000000;

JSON

{
  "hex": "#5bcffb",
  "rgb": {
    "r": 91,
    "g": 207,
    "b": 251
  },
  "hsl": {
    "h": 196.5,
    "s": 95.238,
    "l": 67.059
  },
  "oklch": {
    "l": 0.80518,
    "c": 0.12081,
    "h": 226.3
  },
  "luminance": 0.53815
}

Semantic roles & 50–950 ramp

primary

#5BCFFB

secondary

#D1582A

accent

#3F00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BCFFB

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

Preview Lab → · Contrast checker → · Palette generator →