#59C5EF#59C5EF

#59C5EF is a light, moderate cyan. Relative luminance 0.483; OKLCH L 77.7% C 0.115 H 226.8°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX#59C5EF
RGBrgb(89, 197, 239)
HSLhsl(197, 82%, 64%)
HSVhsv(197, 63%, 94%)
CMYKcmyk(62.8%, 17.6%, 0%, 6.3%)
CIE-LABlab(75.00, -18.63, -30.01)
CIE-LCHlch(75.00, 35.32, 238.17°)
OKLaboklab(77.68% -0.0788 -0.0838)
OKLCHoklch(77.68% 0.115 226.8)
XYZxyz(39.6599, 48.2842, 88.8743)
Luminance0.4829 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#59C5EF #EF8359
analogous
#59EFCE #59C5EF #597AEF
triadic
#59C5EF #EF59C5 #C5EF59
tetradic
#59C5EF #CE59EF #EF8359 #7AEF59
square
#59C5EF #CE59EF #EF8359 #7AEF59
split-complementary
#59C5EF #EF597A #EFCE59
monochromatic
#128CBC #21B1EA #59C5EF #91D9F4 #C9ECFA

Accessibility & contrast

On white

1.97
#59C5EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.66
#59C5EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59C5EF
10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##59C5EF#FFFFFF#000000##000000
##59C5EF1.001.9710.6610.66
#FFFFFF1.971.0021.0021.00
#00000010.6621.001.001.00
##00000010.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#AFC1F1
Deuteranopia (green-blind)
#99B2EF
Tritanopia (blue-blind)
#00D1D3
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #59c5ef;
/* rgb */ color: rgb(89, 197, 239);
/* oklch */ color: oklch(77.7% 0.115 226.8);
Tailwind
colors: {
  custom: {
    50: '#96d6f4',
    500: '#59c5ef',
    950: '#000000',
  },
}
SCSS
$custom: #59c5ef;
$custom-light: #96d6f4;
$custom-dark: #000000;
JSON
{
  "hex": "#59c5ef",
  "rgb": {
    "r": 89,
    "g": 197,
    "b": 239
  },
  "hsl": {
    "h": 196.8,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.77681,
    "c": 0.115,
    "h": 226.8
  },
  "luminance": 0.48288
}

Semantic roles & 50–950 ramp

primary
#59C5EF
secondary
#ECC6B8
accent
#4307DF
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0F1417
muted
#7E8385

Preview Lab

Preview with #59C5EF

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

Preview Lab → · Contrast checker → · Palette generator →

#59C5EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva