#4F8FEB#4F8FEB

#4F8FEB is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.1% C 0.153 H 257.6°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#4F8FEB
RGBrgb(79, 143, 235)
HSLhsl(215, 80%, 62%)
HSVhsv(215, 66%, 92%)
CMYKcmyk(66.4%, 39.1%, 0%, 7.8%)
CIE-LABlab(59.25, 8.47, -52.49)
CIE-LCHlch(59.25, 53.17, 279.17°)
OKLaboklab(65.1% -0.0327 -0.1495)
OKLCHoklch(65.1% 0.153 257.6)
XYZxyz(28.0369, 27.3025, 82.3735)
Luminance0.2731 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F8FEB #EBAB4F
analogous
#4FDDEB #4F8FEB #5D4FEB
triadic
#4F8FEB #EB4F8F #8FEB4F
tetradic
#4F8FEB #EB4FDD #EBAB4F #4FEB5D
square
#4F8FEB #EB4FDD #EBAB4F #4FEB5D
split-complementary
#4F8FEB #EB5D4F #DDEB4F
monochromatic
#1452AC #1A6CE3 #4F8FEB #86B2F1 #BDD5F7

Accessibility & contrast

On white

3.25
#4F8FEB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.46
#4F8FEB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8FEB
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F8FEB#FFFFFF#000000##000000
##4F8FEB1.003.256.466.46
#FFFFFF3.251.0021.0021.00
#0000006.4621.001.001.00
##0000006.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6597EF
Deuteranopia (green-blind)
#4E88E9
Tritanopia (blue-blind)
#00A4B2
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4f8feb;
/* rgb */ color: rgb(79, 143, 235);
/* oklch */ color: oklch(65.1% 0.153 257.6);
Tailwind
colors: {
  custom: {
    50: '#90aff2',
    500: '#4f8feb',
    950: '#000000',
  },
}
SCSS
$custom: #4f8feb;
$custom-light: #90aff2;
$custom-dark: #000000;
JSON
{
  "hex": "#4f8feb",
  "rgb": {
    "r": 79,
    "g": 143,
    "b": 235
  },
  "hsl": {
    "h": 215.385,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.651,
    "c": 0.15303,
    "h": 257.6
  },
  "luminance": 0.27305
}

Semantic roles & 50–950 ramp

primary
#4F8FEB
secondary
#E8D0AE
accent
#860ADC
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #4F8FEB

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

Preview Lab → · Contrast checker → · Palette generator →

#4F8FEB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva