#4F90DC#4F90DC

#4F90DC is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.5% C 0.133 H 253.7°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX#4F90DC
RGBrgb(79, 144, 220)
HSLhsl(212, 67%, 59%)
HSVhsv(212, 64%, 86%)
CMYKcmyk(64.1%, 34.5%, 0%, 13.7%)
CIE-LABlab(58.76, 2.78, -44.92)
CIE-LCHlch(58.76, 45.01, 273.54°)
OKLaboklab(64.47% -0.0373 -0.1273)
OKLCHoklch(64.47% 0.133 253.7)
XYZxyz(26.1113, 26.7735, 71.4880)
Luminance0.2678 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F90DC #DC9B4F
analogous
#4FD7DC #4F90DC #544FDC
triadic
#4F90DC #DC4F90 #90DC4F
tetradic
#4F90DC #DC4FD7 #DC9B4F #4FDC54
square
#4F90DC #DC4FD7 #DC9B4F #4FDC54
split-complementary
#4F90DC #DC544F #D7DC4F
monochromatic
#1D5493 #2771C6 #4F90DC #82B0E6 #B5D0F0

Accessibility & contrast

On white

3.30
#4F90DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.36
#4F90DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90DC
6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F90DC#FFFFFF#000000##000000
##4F90DC1.003.306.366.36
#FFFFFF3.301.0021.0021.00
#0000006.3621.001.001.00
##0000006.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F95DF
Deuteranopia (green-blind)
#5B87DA
Tritanopia (blue-blind)
#00A2AC
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #4f90dc;
/* rgb */ color: rgb(79, 144, 220);
/* oklch */ color: oklch(64.5% 0.133 253.7);
Tailwind
colors: {
  custom: {
    50: '#8db0e7',
    500: '#4f90dc',
    950: '#000000',
  },
}
SCSS
$custom: #4f90dc;
$custom-light: #8db0e7;
$custom-dark: #000000;
JSON
{
  "hex": "#4f90dc",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 220
  },
  "hsl": {
    "h": 212.34,
    "s": 66.825,
    "l": 58.627
  },
  "oklch": {
    "l": 0.64469,
    "c": 0.13269,
    "h": 253.7
  },
  "luminance": 0.26776
}

Semantic roles & 50–950 ramp

primary
#4F90DC
secondary
#DFC6A8
accent
#9B3EEA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4F90DC

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

Preview Lab → · Contrast checker → · Palette generator →

#4F90DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva