#59B3EF#59B3EF

#59B3EF is a light, vivid cyan. Relative luminance 0.406; OKLCH L 73.6% C 0.122 H 240.5°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX#59B3EF
RGBrgb(89, 179, 239)
HSLhsl(204, 82%, 64%)
HSVhsv(204, 63%, 94%)
CMYKcmyk(62.8%, 25.1%, 0%, 6.3%)
CIE-LABlab(69.89, -9.07, -37.92)
CIE-LCHlch(69.89, 38.99, 256.54°)
OKLaboklab(73.61% -0.0604 -0.1066)
OKLCHoklch(73.61% 0.123 240.5)
XYZxyz(35.8140, 40.5925, 87.5923)
Luminance0.4060 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#59B3EF #EF9559
analogous
#59EFE0 #59B3EF #5968EF
triadic
#59B3EF #EF59B3 #B3EF59
tetradic
#59B3EF #E059EF #EF9559 #68EF59
square
#59B3EF #E059EF #EF9559 #68EF59
split-complementary
#59B3EF #EF5968 #EFE059
monochromatic
#1278BC #2199EA #59B3EF #91CDF4 #C9E6FA

Accessibility & contrast

On white

2.30
#59B3EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.12
#59B3EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B3EF
9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##59B3EF#FFFFFF#000000##000000
##59B3EF1.002.309.129.12
#FFFFFF2.301.0021.0021.00
#0000009.1221.001.001.00
##0000009.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#98B3F2
Deuteranopia (green-blind)
#83A4EE
Tritanopia (blue-blind)
#00C2C8
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #59b3ef;
/* rgb */ color: rgb(89, 179, 239);
/* oklch */ color: oklch(73.6% 0.122 240.5);
Tailwind
colors: {
  custom: {
    50: '#95c9f4',
    500: '#59b3ef',
    950: '#000000',
  },
}
SCSS
$custom: #59b3ef;
$custom-light: #95c9f4;
$custom-dark: #000000;
JSON
{
  "hex": "#59b3ef",
  "rgb": {
    "r": 89,
    "g": 179,
    "b": 239
  },
  "hsl": {
    "h": 204,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.73613,
    "c": 0.1225,
    "h": 240.5
  },
  "luminance": 0.40596
}

Semantic roles & 50–950 ramp

primary
#59B3EF
secondary
#ECCDB8
accent
#5D07DF
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #59B3EF

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

Preview Lab → · Contrast checker → · Palette generator →

#59B3EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva