#59B4DD#59B4DD

#59B4DD is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.0% C 0.105 H 229.9°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX#59B4DD
RGBrgb(89, 180, 221)
HSLhsl(199, 66%, 61%)
HSVhsv(199, 60%, 87%)
CMYKcmyk(59.7%, 18.6%, 0%, 13.3%)
CIE-LABlab(69.46, -15.21, -28.77)
CIE-LCHlch(69.46, 32.55, 242.14°)
OKLaboklab(73.03% -0.0675 -0.0803)
OKLCHoklch(73.03% 0.105 229.9)
XYZxyz(33.4872, 39.9836, 74.3454)
Luminance0.3999 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#59B4DD #DD8259
analogous
#59DDC4 #59B4DD #5972DD
triadic
#59B4DD #DD59B4 #B4DD59
tetradic
#59B4DD #C459DD #DD8259 #72DD59
square
#59B4DD #C459DD #DD8259 #72DD59
split-complementary
#59B4DD #DD5972 #DDC459
monochromatic
#20759C #2A9BCF #59B4DD #8CCBE7 #BFE2F2

Accessibility & contrast

On white

2.33
#59B4DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.00
#59B4DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B4DD
9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##59B4DD#FFFFFF#000000##000000
##59B4DD1.002.339.009.00
#FFFFFF2.331.0021.0021.00
#0000009.0021.001.001.00
##0000009.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FB1DF
Deuteranopia (green-blind)
#8DA4DC
Tritanopia (blue-blind)
#00BFC1
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #59b4dd;
/* rgb */ color: rgb(89, 180, 221);
/* oklch */ color: oklch(73.0% 0.105 229.9);
Tailwind
colors: {
  custom: {
    50: '#93cae7',
    500: '#59b4dd',
    950: '#000000',
  },
}
SCSS
$custom: #59b4dd;
$custom-light: #93cae7;
$custom-dark: #000000;
JSON
{
  "hex": "#59b4dd",
  "rgb": {
    "r": 89,
    "g": 180,
    "b": 221
  },
  "hsl": {
    "h": 198.636,
    "s": 66,
    "l": 60.784
  },
  "oklch": {
    "l": 0.73034,
    "c": 0.10493,
    "h": 229.9
  },
  "luminance": 0.39987
}

Semantic roles & 50–950 ramp

primary
#59B4DD
secondary
#E2BFB0
accent
#5018CE
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #59B4DD

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

Preview Lab → · Contrast checker → · Palette generator →

#59B4DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva