#4B90EC#4B90EC

#4B90EC is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.2% C 0.155 H 256.4°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#4B90EC
RGBrgb(75, 144, 236)
HSLhsl(214, 81%, 61%)
HSVhsv(214, 68%, 93%)
CMYKcmyk(68.2%, 39%, 0%, 7.5%)
CIE-LABlab(59.43, 7.60, -52.77)
CIE-LCHlch(59.43, 53.32, 278.20°)
OKLaboklab(65.21% -0.0364 -0.1504)
OKLCHoklch(65.21% 0.155 256.4)
XYZxyz(28.0097, 27.4956, 83.1716)
Luminance0.2750 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B90EC #ECA74B
analogous
#4BE0EC #4B90EC #564BEC
triadic
#4B90EC #EC4B90 #90EC4B
tetradic
#4B90EC #EC4BE0 #ECA74B #4BEC56
square
#4B90EC #EC4BE0 #ECA74B #4BEC56
split-complementary
#4B90EC #EC564B #E0EC4B
monochromatic
#1253AB #186EE2 #4B90EC #82B2F2 #BAD4F8

Accessibility & contrast

On white

3.23
#4B90EC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.50
#4B90EC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90EC
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B90EC#FFFFFF#000000##000000
##4B90EC1.003.236.506.50
#FFFFFF3.231.0021.0021.00
#0000006.5021.001.001.00
##0000006.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6697F0
Deuteranopia (green-blind)
#4D88EA
Tritanopia (blue-blind)
#00A5B3
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4b90ec;
/* rgb */ color: rgb(75, 144, 236);
/* oklch */ color: oklch(65.2% 0.155 256.4);
Tailwind
colors: {
  custom: {
    50: '#8eb0f2',
    500: '#4b90ec',
    950: '#000000',
  },
}
SCSS
$custom: #4b90ec;
$custom-light: #8eb0f2;
$custom-dark: #000000;
JSON
{
  "hex": "#4b90ec",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 236
  },
  "hsl": {
    "h": 214.286,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.65213,
    "c": 0.1547,
    "h": 256.4
  },
  "luminance": 0.27499
}

Semantic roles & 50–950 ramp

primary
#4B90EC
secondary
#E8CEAB
accent
#8208DD
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #4B90EC

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

Preview Lab → · Contrast checker → · Palette generator →

#4B90EC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva