#59B5EE#59B5EE

#59B5EE is a light, vivid cyan. Relative luminance 0.413; OKLCH L 74.0% C 0.120 H 238.6°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX#59B5EE
RGBrgb(89, 181, 238)
HSLhsl(203, 81%, 64%)
HSVhsv(203, 63%, 93%)
CMYKcmyk(62.6%, 23.9%, 0%, 6.7%)
CIE-LABlab(70.41, -10.48, -36.56)
CIE-LCHlch(70.41, 38.03, 254.01°)
OKLaboklab(74.02% -0.0628 -0.1026)
OKLCHoklch(74.02% 0.12 238.6)
XYZxyz(36.0704, 41.3410, 86.9510)
Luminance0.4134 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#59B5EE #EE9259
analogous
#59EEDD #59B5EE #596BEE
triadic
#59B5EE #EE59B5 #B5EE59
tetradic
#59B5EE #DD59EE #EE9259 #6BEE59
square
#59B5EE #DD59EE #EE9259 #6BEE59
split-complementary
#59B5EE #EE596B #EEDD59
monochromatic
#137ABA #219CE8 #59B5EE #91CEF4 #C8E6F9

Accessibility & contrast

On white

2.27
#59B5EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.27
#59B5EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B5EE
9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##59B5EE#FFFFFF#000000##000000
##59B5EE1.002.279.279.27
#FFFFFF2.271.0021.0021.00
#0000009.2721.001.001.00
##0000009.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BB5F1
Deuteranopia (green-blind)
#86A6ED
Tritanopia (blue-blind)
#00C3C8
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #59b5ee;
/* rgb */ color: rgb(89, 181, 238);
/* oklch */ color: oklch(74.0% 0.120 238.6);
Tailwind
colors: {
  custom: {
    50: '#95cbf3',
    500: '#59b5ee',
    950: '#000000',
  },
}
SCSS
$custom: #59b5ee;
$custom-light: #95cbf3;
$custom-dark: #000000;
JSON
{
  "hex": "#59b5ee",
  "rgb": {
    "r": 89,
    "g": 181,
    "b": 238
  },
  "hsl": {
    "h": 202.953,
    "s": 81.421,
    "l": 64.118
  },
  "oklch": {
    "l": 0.74015,
    "c": 0.12032,
    "h": 238.6
  },
  "luminance": 0.41345
}

Semantic roles & 50–950 ramp

primary
#59B5EE
secondary
#EBCBB7
accent
#5A08DE
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #59B5EE

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

Preview Lab → · Contrast checker → · Palette generator →

#59B5EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva