#59BBEF#59BBEF

#59BBEF is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.4% C 0.118 H 234.6°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#59BBEF
RGBrgb(89, 187, 239)
HSLhsl(201, 82%, 64%)
HSVhsv(201, 63%, 94%)
CMYKcmyk(62.8%, 21.8%, 0%, 6.3%)
CIE-LABlab(72.16, -13.38, -34.40)
CIE-LCHlch(72.16, 36.91, 248.74°)
OKLaboklab(75.41% -0.0686 -0.0964)
OKLCHoklch(75.41% 0.118 234.6)
XYZxyz(37.4641, 43.8927, 88.1424)
Luminance0.4390 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#59BBEF #EF8D59
analogous
#59EFD8 #59BBEF #5970EF
triadic
#59BBEF #EF59BB #BBEF59
tetradic
#59BBEF #D859EF #EF8D59 #70EF59
square
#59BBEF #D859EF #EF8D59 #70EF59
split-complementary
#59BBEF #EF5970 #EFD859
monochromatic
#1281BC #21A4EA #59BBEF #91D2F4 #C9E9FA

Accessibility & contrast

On white

2.15
#59BBEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.78
#59BBEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59BBEF
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##59BBEF#FFFFFF#000000##000000
##59BBEF1.002.159.789.78
#FFFFFF2.151.0021.0021.00
#0000009.7821.001.001.00
##0000009.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2B9F1
Deuteranopia (green-blind)
#8DAAEE
Tritanopia (blue-blind)
#00C9CC
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #59bbef;
/* rgb */ color: rgb(89, 187, 239);
/* oklch */ color: oklch(75.4% 0.118 234.6);
Tailwind
colors: {
  custom: {
    50: '#95cff4',
    500: '#59bbef',
    950: '#000000',
  },
}
SCSS
$custom: #59bbef;
$custom-light: #95cff4;
$custom-dark: #000000;
JSON
{
  "hex": "#59bbef",
  "rgb": {
    "r": 89,
    "g": 187,
    "b": 239
  },
  "hsl": {
    "h": 200.8,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.75412,
    "c": 0.1183,
    "h": 234.6
  },
  "luminance": 0.43896
}

Semantic roles & 50–950 ramp

primary
#59BBEF
secondary
#ECCAB8
accent
#5207DF
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0F1317
muted
#7E8285

Preview Lab

Preview with #59BBEF

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

Preview Lab → · Contrast checker → · Palette generator →

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