#4B90E8#4B90E8

#4B90E8 is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.150 H 255.6°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#4B90E8
RGBrgb(75, 144, 232)
HSLhsl(214, 77%, 60%)
HSVhsv(214, 68%, 91%)
CMYKcmyk(67.7%, 37.9%, 0%, 9%)
CIE-LABlab(59.22, 6.22, -50.89)
CIE-LCHlch(59.22, 51.27, 276.97°)
OKLaboklab(64.98% -0.0373 -0.1448)
OKLCHoklch(64.98% 0.15 255.6)
XYZxyz(27.4351, 27.2657, 80.1452)
Luminance0.2727 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B90E8 #E8A34B
analogous
#4BDEE8 #4B90E8 #554BE8
triadic
#4B90E8 #E84B90 #90E84B
tetradic
#4B90E8 #E84BDE #E8A34B #4BE855
square
#4B90E8 #E84BDE #E8A34B #4BE855
split-complementary
#4B90E8 #E8554B #DEE84B
monochromatic
#1554A4 #1C6FDA #4B90E8 #81B1EF #B8D3F6

Accessibility & contrast

On white

3.25
#4B90E8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.45
#4B90E8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90E8
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B90E8#FFFFFF#000000##000000
##4B90E81.003.256.456.45
#FFFFFF3.251.0021.0021.00
#0000006.4521.001.001.00
##0000006.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6897EC
Deuteranopia (green-blind)
#5188E6
Tritanopia (blue-blind)
#00A4B1
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4b90e8;
/* rgb */ color: rgb(75, 144, 232);
/* oklch */ color: oklch(65.0% 0.150 255.6);
Tailwind
colors: {
  custom: {
    50: '#8db0f0',
    500: '#4b90e8',
    950: '#000000',
  },
}
SCSS
$custom: #4b90e8;
$custom-light: #8db0f0;
$custom-dark: #000000;
JSON
{
  "hex": "#4b90e8",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 232
  },
  "hsl": {
    "h": 213.631,
    "s": 77.34,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6498,
    "c": 0.14957,
    "h": 255.6
  },
  "luminance": 0.27269
}

Semantic roles & 50–950 ramp

primary
#4B90E8
secondary
#E6CBA9
accent
#7F0CDA
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #4B90E8

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

Preview Lab → · Contrast checker → · Palette generator →

#4B90E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva