#4F89EC#4F89EC

#4F89EC is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.9% C 0.161 H 260.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX#4F89EC
RGBrgb(79, 137, 236)
HSLhsl(218, 81%, 62%)
HSVhsv(218, 67%, 93%)
CMYKcmyk(66.5%, 41.9%, 0%, 7.5%)
CIE-LABlab(57.66, 12.41, -55.58)
CIE-LCHlch(57.66, 56.95, 282.58°)
OKLaboklab(63.89% -0.0269 -0.1587)
OKLCHoklch(63.89% 0.161 260.4)
XYZxyz(27.3050, 25.6070, 82.8443)
Luminance0.2561 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F89EC #ECB24F
analogous
#4FD8EC #4F89EC #644FEC
triadic
#4F89EC #EC4F89 #89EC4F
tetradic
#4F89EC #EC4FD8 #ECB24F #4FEC64
square
#4F89EC #EC4FD8 #ECB24F #4FEC64
split-complementary
#4F89EC #EC644F #D8EC4F
monochromatic
#134CAE #1964E5 #4F89EC #86AEF2 #BDD3F8

Accessibility & contrast

On white

3.43
#4F89EC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.12
#4F89EC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F89EC
6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F89EC#FFFFFF#000000##000000
##4F89EC1.003.436.126.12
#FFFFFF3.431.0021.0021.00
#0000006.1221.001.001.00
##0000006.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#5A92F0
Deuteranopia (green-blind)
#4184EA
Tritanopia (blue-blind)
#00A0AF
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4f89ec;
/* rgb */ color: rgb(79, 137, 236);
/* oklch */ color: oklch(63.9% 0.161 260.4);
Tailwind
colors: {
  custom: {
    50: '#90aaf3',
    500: '#4f89ec',
    950: '#000000',
  },
}
SCSS
$custom: #4f89ec;
$custom-light: #90aaf3;
$custom-dark: #000000;
JSON
{
  "hex": "#4f89ec",
  "rgb": {
    "r": 79,
    "g": 137,
    "b": 236
  },
  "hsl": {
    "h": 217.834,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.63885,
    "c": 0.16091,
    "h": 260.4
  },
  "luminance": 0.2561
}

Semantic roles & 50–950 ramp

primary
#4F89EC
secondary
#E8D3AE
accent
#8E09DD
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #4F89EC

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

Preview Lab → · Contrast checker → · Palette generator →

#4F89EC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva