#4F90BE#4F90BE

#4F90BE is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.096 H 241.4°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX#4F90BE
RGBrgb(79, 144, 190)
HSLhsl(205, 46%, 53%)
HSVhsv(205, 58%, 75%)
CMYKcmyk(58.4%, 24.2%, 0%, 25.5%)
CIE-LABlab(57.39, -7.09, -30.20)
CIE-LCHlch(57.39, 31.02, 256.80°)
OKLaboklab(62.94% -0.0462 -0.0846)
OKLCHoklch(62.94% 0.096 241.4)
XYZxyz(22.4885, 25.3244, 52.4082)
Luminance0.2533 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F90BE #BE7D4F
analogous
#4FBEB5 #4F90BE #4F58BE
triadic
#4F90BE #BE4F90 #90BE4F
tetradic
#4F90BE #B54FBE #BE7D4F #58BE4F
square
#4F90BE #B54FBE #BE7D4F #58BE4F
split-complementary
#4F90BE #BE4F58 #BEB54F
monochromatic
#284F6B #387098 #4F90BE #7CACCF #A8C8DF

Accessibility & contrast

On white

3.46
#4F90BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.07
#4F90BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90BE
6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F90BE#FFFFFF#000000##000000
##4F90BE1.003.466.076.07
#FFFFFF3.461.0021.0021.00
#0000006.0721.001.001.00
##0000006.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C90C0
Deuteranopia (green-blind)
#6C85BD
Tritanopia (blue-blind)
#009BA0
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4f90be;
/* rgb */ color: rgb(79, 144, 190);
/* oklch */ color: oklch(62.9% 0.096 241.4);
Tailwind
colors: {
  custom: {
    50: '#89b0d1',
    500: '#4f90be',
    950: '#000000',
  },
}
SCSS
$custom: #4f90be;
$custom-light: #89b0d1;
$custom-dark: #000000;
JSON
{
  "hex": "#4f90be",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 190
  },
  "hsl": {
    "h": 204.865,
    "s": 46.058,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62937,
    "c": 0.09643,
    "h": 241.4
  },
  "luminance": 0.25326
}

Semantic roles & 50–950 ramp

primary
#4F90BE
secondary
#CCB09C
accent
#8952D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4F90BE

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

Preview Lab → · Contrast checker → · Palette generator →

#4F90BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva