#59B9EE#59B9EE

#59B9EE is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.9% C 0.118 H 235.6°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX#59B9EE
RGBrgb(89, 185, 238)
HSLhsl(201, 81%, 64%)
HSVhsv(201, 63%, 93%)
CMYKcmyk(62.6%, 22.3%, 0%, 6.7%)
CIE-LABlab(71.55, -12.63, -34.80)
CIE-LCHlch(71.55, 37.02, 250.06°)
OKLaboklab(74.92% -0.0669 -0.0976)
OKLCHoklch(74.92% 0.118 235.6)
XYZxyz(36.8955, 42.9911, 87.2260)
Luminance0.4299 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#59B9EE #EE8E59
analogous
#59EED8 #59B9EE #596FEE
triadic
#59B9EE #EE59B9 #B9EE59
tetradic
#59B9EE #D859EE #EE8E59 #6FEE59
square
#59B9EE #D859EE #EE8E59 #6FEE59
split-complementary
#59B9EE #EE596F #EED859
monochromatic
#137EBA #21A2E8 #59B9EE #91D0F4 #C8E8F9

Accessibility & contrast

On white

2.19
#59B9EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.60
#59B9EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B9EE
9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##59B9EE#FFFFFF#000000##000000
##59B9EE1.002.199.609.60
#FFFFFF2.191.0021.0021.00
#0000009.6021.001.001.00
##0000009.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0B8F1
Deuteranopia (green-blind)
#8BA9ED
Tritanopia (blue-blind)
#00C7CB
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #59b9ee;
/* rgb */ color: rgb(89, 185, 238);
/* oklch */ color: oklch(74.9% 0.118 235.6);
Tailwind
colors: {
  custom: {
    50: '#95cef3',
    500: '#59b9ee',
    950: '#000000',
  },
}
SCSS
$custom: #59b9ee;
$custom-light: #95cef3;
$custom-dark: #000000;
JSON
{
  "hex": "#59b9ee",
  "rgb": {
    "r": 89,
    "g": 185,
    "b": 238
  },
  "hsl": {
    "h": 201.342,
    "s": 81.421,
    "l": 64.118
  },
  "oklch": {
    "l": 0.74916,
    "c": 0.11827,
    "h": 235.6
  },
  "luminance": 0.42995
}

Semantic roles & 50–950 ramp

primary
#59B9EE
secondary
#EBCAB7
accent
#5408DE
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #59B9EE

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

Preview Lab → · Contrast checker → · Palette generator →

#59B9EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva