#5F99BF#5F99BF

#5F99BF is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.8% C 0.083 H 238.5°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX#5F99BF
RGBrgb(95, 153, 191)
HSLhsl(204, 43%, 56%)
HSVhsv(204, 50%, 75%)
CMYKcmyk(50.3%, 19.9%, 0%, 25.1%)
CIE-LABlab(60.76, -8.33, -25.50)
CIE-LCHlch(60.76, 26.83, 251.91°)
OKLaboklab(65.81% -0.0434 -0.071)
OKLCHoklch(65.81% 0.083 238.5)
XYZxyz(25.5111, 28.9750, 53.5285)
Luminance0.2898 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5F99BF #BF855F
analogous
#5FBFB5 #5F99BF #5F69BF
triadic
#5F99BF #BF5F99 #99BF5F
tetradic
#5F99BF #B55FBF #BF855F #69BF5F
square
#5F99BF #B55FBF #BF855F #69BF5F
split-complementary
#5F99BF #BF5F69 #BFB55F
monochromatic
#2F5975 #407AA1 #5F99BF #8BB5D0 #B6D1E2

Accessibility & contrast

On white

3.09
#5F99BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.80
#5F99BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F99BF
6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5F99BF#FFFFFF#000000##000000
##5F99BF1.003.096.806.80
#FFFFFF3.091.0021.0021.00
#0000006.8021.001.001.00
##0000006.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8898C1
Deuteranopia (green-blind)
#7B8EBE
Tritanopia (blue-blind)
#2DA3A6
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #5f99bf;
/* rgb */ color: rgb(95, 153, 191);
/* oklch */ color: oklch(65.8% 0.083 238.5);
Tailwind
colors: {
  custom: {
    50: '#92b7d2',
    500: '#5f99bf',
    950: '#000000',
  },
}
SCSS
$custom: #5f99bf;
$custom-light: #92b7d2;
$custom-dark: #000000;
JSON
{
  "hex": "#5f99bf",
  "rgb": {
    "r": 95,
    "g": 153,
    "b": 191
  },
  "hsl": {
    "h": 203.75,
    "s": 42.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.65811,
    "c": 0.0832,
    "h": 238.5
  },
  "luminance": 0.28977
}

Semantic roles & 50–950 ramp

primary
#5F99BF
secondary
#D1B9A9
accent
#8755D3
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0D1114
muted
#7E8082

Preview Lab

Preview with #5F99BF

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

Preview Lab → · Contrast checker → · Palette generator →

#5F99BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva