#59D9FB#59D9FB

#59D9FB is a very light, vivid cyan. Relative luminance 0.587; OKLCH L 82.7% C 0.121 H 218.5°. Best body text is #000000 at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#59D9FB
RGB	rgb(89, 217, 251)
HSL	hsl(193, 95%, 67%)
HSV	hsv(193, 65%, 98%)
CMYK	cmyk(64.5%, 13.5%, 0%, 1.6%)
CIE-LAB	lab(81.13, -25.15, -27.03)
CIE-LCH	lch(81.13, 36.92, 227.06°)
OKLab	oklab(82.73% -0.0945 -0.0753)
OKLCH	oklch(82.73% 0.121 218.5)
XYZ	xyz(46.3381, 58.7096, 100.1381)
Luminance	0.5871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59D9FB #FB7B59

analogous

#59FBCC #59D9FB #5988FB

triadic

#59D9FB #FB59D9 #D9FB59

tetradic

#59D9FB #CC59FB #FB7B59 #88FB59

square

#59D9FB #CC59FB #FB7B59 #88FB59

split-complementary

#59D9FB #FB5988 #FBCC59

monochromatic

#05A9D4 #1DCBFA #59D9FB #95E7FC #D1F4FE

Accessibility & contrast

On white

1.65

#59D9FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.74

#59D9FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59D9FB

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59D9FB	#FFFFFF	#000000	##000000
##59D9FB	1.00	1.65	12.74	12.74
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.74	21.00	1.00	1.00
##000000	12.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3D3FD

Deuteranopia (green-blind)

#ACC2FB

Tritanopia (blue-blind)

#00E5E4

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #59d9fb;
/* rgb */ color: rgb(89, 217, 251);
/* oklch */ color: oklch(82.7% 0.121 218.5);

Tailwind

colors: {
  custom: {
    50: '#98e5fc',
    500: '#59d9fb',
    950: '#000000',
  },
}

SCSS

$custom: #59d9fb;
$custom-light: #98e5fc;
$custom-dark: #000000;

JSON

{
  "hex": "#59d9fb",
  "rgb": {
    "r": 89,
    "g": 217,
    "b": 251
  },
  "hsl": {
    "h": 192.593,
    "s": 95.294,
    "l": 66.667
  },
  "oklch": {
    "l": 0.82729,
    "c": 0.12081,
    "h": 218.5
  },
  "luminance": 0.58715
}

Semantic roles & 50–950 ramp

primary

#59D9FB

secondary

#CF4C29

accent

#3000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #59D9FB

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

Preview Lab → · Contrast checker → · Palette generator →