#599CBB#599CBB

#599CBB is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.0% C 0.082 H 229.7°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#599CBB
RGBrgb(89, 156, 187)
HSLhsl(199, 42%, 54%)
HSVhsv(199, 52%, 73%)
CMYKcmyk(52.4%, 16.6%, 0%, 26.7%)
CIE-LABlab(61.21, -12.55, -22.59)
CIE-LCHlch(61.21, 25.84, 240.95°)
OKLaboklab(66.04% -0.0533 -0.0627)
OKLCHoklch(66.04% 0.082 229.7)
XYZxyz(24.9746, 29.4865, 51.3794)
Luminance0.2949 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#599CBB #BB7859
analogous
#59BBA9 #599CBB #596BBB
triadic
#599CBB #BB599C #9CBB59
tetradic
#599CBB #A959BB #BB7859 #6BBB59
square
#599CBB #A959BB #BB7859 #6BBB59
split-complementary
#599CBB #BB596B #BBA959
monochromatic
#2D596D #3E7C98 #599CBB #84B6CD #B0D0DF

Accessibility & contrast

On white

3.04
#599CBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.90
#599CBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #599CBB
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##599CBB#FFFFFF#000000##000000
##599CBB1.003.046.906.90
#FFFFFF3.041.0021.0021.00
#0000006.9021.001.001.00
##0000006.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C9ABD
Deuteranopia (green-blind)
#7E8FBB
Tritanopia (blue-blind)
#1BA5A6
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #599cbb;
/* rgb */ color: rgb(89, 156, 187);
/* oklch */ color: oklch(66.0% 0.082 229.7);
Tailwind
colors: {
  custom: {
    50: '#8fb9cf',
    500: '#599cbb',
    950: '#000000',
  },
}
SCSS
$custom: #599cbb;
$custom-light: #8fb9cf;
$custom-dark: #000000;
JSON
{
  "hex": "#599cbb",
  "rgb": {
    "r": 89,
    "g": 156,
    "b": 187
  },
  "hsl": {
    "h": 198.98,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.66043,
    "c": 0.0823,
    "h": 229.7
  },
  "luminance": 0.29489
}

Semantic roles & 50–950 ramp

primary
#599CBB
secondary
#CDB0A3
accent
#7D56D2
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1113
muted
#7E8082

Preview Lab

Preview with #599CBB

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

Preview Lab → · Contrast checker → · Palette generator →

#599CBB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva