#59B1E5#59B1E5

#59B1E5 is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.7% C 0.113 H 237.1°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX#59B1E5
RGBrgb(89, 177, 229)
HSLhsl(202, 73%, 62%)
HSVhsv(202, 61%, 90%)
CMYKcmyk(61.1%, 22.7%, 0%, 10.2%)
CIE-LABlab(68.91, -11.13, -33.99)
CIE-LCHlch(68.91, 35.77, 251.86°)
OKLaboklab(72.7% -0.0616 -0.0953)
OKLCHoklch(72.7% 0.113 237.1)
XYZxyz(33.9794, 39.2219, 79.8934)
Luminance0.3922 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#59B1E5 #E58D59
analogous
#59E5D3 #59B1E5 #596BE5
triadic
#59B1E5 #E559B1 #B1E559
tetradic
#59B1E5 #D359E5 #E58D59 #6BE559
square
#59B1E5 #D359E5 #E58D59 #6BE559
split-complementary
#59B1E5 #E5596B #E5D359
monochromatic
#1A74A9 #2498DD #59B1E5 #8ECAED #C3E3F6

Accessibility & contrast

On white

2.37
#59B1E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.84
#59B1E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B1E5
8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##59B1E5#FFFFFF#000000##000000
##59B1E51.002.378.848.84
#FFFFFF2.371.0021.0021.00
#0000008.8421.001.001.00
##0000008.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#99B0E7
Deuteranopia (green-blind)
#85A2E4
Tritanopia (blue-blind)
#00BEC2
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #59b1e5;
/* rgb */ color: rgb(89, 177, 229);
/* oklch */ color: oklch(72.7% 0.113 237.1);
Tailwind
colors: {
  custom: {
    50: '#94c8ed',
    500: '#59b1e5',
    950: '#000000',
  },
}
SCSS
$custom: #59b1e5;
$custom-light: #94c8ed;
$custom-dark: #000000;
JSON
{
  "hex": "#59b1e5",
  "rgb": {
    "r": 89,
    "g": 177,
    "b": 229
  },
  "hsl": {
    "h": 202.286,
    "s": 72.917,
    "l": 62.353
  },
  "oklch": {
    "l": 0.72703,
    "c": 0.11345,
    "h": 237.1
  },
  "luminance": 0.39225
}

Semantic roles & 50–950 ramp

primary
#59B1E5
secondary
#E6C6B3
accent
#5910D5
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #59B1E5

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

Preview Lab → · Contrast checker → · Palette generator →

#59B1E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva