#4B8BFC#4B8BFC

#4B8BFC is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.181 H 260.8°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#4B8BFC
RGBrgb(75, 139, 252)
HSLhsl(218, 97%, 64%)
HSVhsv(218, 70%, 99%)
CMYKcmyk(70.2%, 44.8%, 0%, 1.2%)
CIE-LABlab(58.96, 16.18, -62.35)
CIE-LCHlch(58.96, 64.41, 284.55°)
OKLaboklab(65.14% -0.0288 -0.1786)
OKLCHoklch(65.14% 0.181 260.8)
XYZxyz(29.6987, 26.9862, 95.7203)
Luminance0.2699 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B8BFC #FCBC4B
analogous
#4BE4FC #4B8BFC #644BFC
triadic
#4B8BFC #FC4B8B #8BFC4B
tetradic
#4B8BFC #FC4BE4 #FCBC4B #4BFC64
square
#4B8BFC #FC4BE4 #FCBC4B #4BFC64
split-complementary
#4B8BFC #FC644B #E4FC4B
monochromatic
#034BC9 #0F64FB #4B8BFC #87B2FD #C3D9FE

Accessibility & contrast

On white

3.28
#4B8BFC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#4B8BFC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8BFC
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B8BFC#FFFFFF#000000##000000
##4B8BFC1.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5197FF
Deuteranopia (green-blind)
#2D86FA
Tritanopia (blue-blind)
#00A5B7
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4b8bfc;
/* rgb */ color: rgb(75, 139, 252);
/* oklch */ color: oklch(65.1% 0.181 260.8);
Tailwind
colors: {
  custom: {
    50: '#91acfe',
    500: '#4b8bfc',
    950: '#000000',
  },
}
SCSS
$custom: #4b8bfc;
$custom-light: #91acfe;
$custom-dark: #000000;
JSON
{
  "hex": "#4b8bfc",
  "rgb": {
    "r": 75,
    "g": 139,
    "b": 252
  },
  "hsl": {
    "h": 218.305,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.6514,
    "c": 0.18088,
    "h": 260.8
  },
  "luminance": 0.26989
}

Semantic roles & 50–950 ramp

primary
#4B8BFC
secondary
#F0DAB3
accent
#9300E6
background
#F9FAFF
surface
#F2F4FF
border
#CCCED7
text
#0E1018
muted
#7E7F86

Preview Lab

Preview with #4B8BFC

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

Preview Lab → · Contrast checker → · Palette generator →

#4B8BFC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva