#5A99CB#5A99CB

#5A99CB is a light, moderate cyan. Relative luminance 0.293; OKLCH L 66.1% C 0.099 H 244.0°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX#5A99CB
RGBrgb(90, 153, 203)
HSLhsl(207, 52%, 57%)
HSVhsv(207, 56%, 80%)
CMYKcmyk(55.7%, 24.6%, 0%, 20.4%)
CIE-LABlab(61.02, -5.80, -31.86)
CIE-LCHlch(61.02, 32.38, 259.68°)
OKLaboklab(66.11% -0.0434 -0.0892)
OKLCHoklch(66.11% 0.099 244)
XYZxyz(26.3833, 29.2657, 60.7468)
Luminance0.2927 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5A99CB #CB8C5A
analogous
#5ACBC5 #5A99CB #5A60CB
triadic
#5A99CB #CB5A99 #99CB5A
tetradic
#5A99CB #C55ACB #CB8C5A #60CB5A
square
#5A99CB #C55ACB #CB8C5A #60CB5A
split-complementary
#5A99CB #CB5A60 #CBC55A
monochromatic
#295A82 #387BB0 #5A99CB #89B6DA #B7D3E8

Accessibility & contrast

On white

3.06
#5A99CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.85
#5A99CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A99CB
6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5A99CB#FFFFFF#000000##000000
##5A99CB1.003.066.856.85
#FFFFFF3.061.0021.0021.00
#0000006.8521.001.001.00
##0000006.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#839ACD
Deuteranopia (green-blind)
#748ECA
Tritanopia (blue-blind)
#00A5AA
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #5a99cb;
/* rgb */ color: rgb(90, 153, 203);
/* oklch */ color: oklch(66.1% 0.099 244.0);
Tailwind
colors: {
  custom: {
    50: '#91b6db',
    500: '#5a99cb',
    950: '#000000',
  },
}
SCSS
$custom: #5a99cb;
$custom-light: #91b6db;
$custom-dark: #000000;
JSON
{
  "hex": "#5a99cb",
  "rgb": {
    "r": 90,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 206.549,
    "s": 52.074,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66111,
    "c": 0.09925,
    "h": 244
  },
  "luminance": 0.29268
}

Semantic roles & 50–950 ramp

primary
#5A99CB
secondary
#D7BEAA
accent
#8C4CDC
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #5A99CB

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

Preview Lab → · Contrast checker → · Palette generator →

#5A99CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva