#599FCB#599FCB

#599FCB is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.4% C 0.096 H 238.1°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX#599FCB
RGBrgb(89, 159, 203)
HSLhsl(203, 52%, 57%)
HSVhsv(203, 56%, 80%)
CMYKcmyk(56.2%, 21.7%, 0%, 20.4%)
CIE-LABlab(62.70, -9.36, -29.25)
CIE-LCHlch(62.70, 30.71, 252.26°)
OKLaboklab(67.43% -0.0509 -0.0817)
OKLCHoklch(67.43% 0.096 238.1)
XYZxyz(27.2935, 31.2295, 61.0779)
Luminance0.3123 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#599FCB #CB8559
analogous
#59CBBE #599FCB #5966CB
triadic
#599FCB #CB599F #9FCB59
tetradic
#599FCB #BE59CB #CB8559 #66CB59
square
#599FCB #BE59CB #CB8559 #66CB59
split-complementary
#599FCB #CB5966 #CBBE59
monochromatic
#285F81 #3781B0 #599FCB #88BADA #B6D5E8

Accessibility & contrast

On white

2.90
#599FCB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.25
#599FCB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #599FCB
7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##599FCB#FFFFFF#000000##000000
##599FCB1.002.907.257.25
#FFFFFF2.901.0021.0021.00
#0000007.2521.001.001.00
##0000007.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B9ECD
Deuteranopia (green-blind)
#7B92CA
Tritanopia (blue-blind)
#00AAAE
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #599fcb;
/* rgb */ color: rgb(89, 159, 203);
/* oklch */ color: oklch(67.4% 0.096 238.1);
Tailwind
colors: {
  custom: {
    50: '#90bbdb',
    500: '#599fcb',
    950: '#000000',
  },
}
SCSS
$custom: #599fcb;
$custom-light: #90bbdb;
$custom-dark: #000000;
JSON
{
  "hex": "#599fcb",
  "rgb": {
    "r": 89,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 203.158,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.67432,
    "c": 0.09632,
    "h": 238.1
  },
  "luminance": 0.31232
}

Semantic roles & 50–950 ramp

primary
#599FCB
secondary
#D7BBA9
accent
#844CDC
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #599FCB

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

Preview Lab → · Contrast checker → · Palette generator →

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