#4F55CC#4F55CC

#4F55CC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.4% C 0.181 H 275.8°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#4F55CC
RGBrgb(79, 85, 204)
HSLhsl(237, 55%, 55%)
HSVhsv(237, 61%, 80%)
CMYKcmyk(61.3%, 58.3%, 0%, 20%)
CIE-LABlab(42.03, 33.62, -62.65)
CIE-LCHlch(42.03, 71.10, 298.22°)
OKLaboklab(51.37% 0.0183 -0.1801)
OKLCHoklch(51.37% 0.181 275.8)
XYZxyz(17.3685, 12.5175, 58.6159)
Luminance0.1252 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F55CC #CCC64F
analogous
#4F93CC #4F55CC #874FCC
triadic
#4F55CC #CC4F55 #55CC4F
tetradic
#4F55CC #CC4F93 #CCC64F #4FCC87
square
#4F55CC #CC4F93 #CCC64F #4FCC87
split-complementary
#4F55CC #CC874F #93CC4F
monochromatic
#24287D #3238AC #4F55CC #7E83DA #AEB1E7

Accessibility & contrast

On white

5.99
#4F55CC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#4F55CC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55CC
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F55CC#FFFFFF#000000##FFFFFF
##4F55CC1.005.993.505.99
#FFFFFF5.991.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF5.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0069D0
Deuteranopia (green-blind)
#005ECA
Tritanopia (blue-blind)
#007288
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #4f55cc;
/* rgb */ color: rgb(79, 85, 204);
/* oklch */ color: oklch(51.4% 0.181 275.8);
Tailwind
colors: {
  custom: {
    50: '#8d85dc',
    500: '#4f55cc',
    950: '#000000',
  },
}
SCSS
$custom: #4f55cc;
$custom-light: #8d85dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4f55cc",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 204
  },
  "hsl": {
    "h": 237.12,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51367,
    "c": 0.18104,
    "h": 275.8
  },
  "luminance": 0.12519
}

Semantic roles & 50–950 ramp

primary
#4F55CC
secondary
#D5D3A1
accent
#D749DE
background
#F9F8FD
surface
#F1EFFB
border
#CBCAD4
text
#0D0B15
muted
#7E7C83

Preview Lab

Preview with #4F55CC

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

Preview Lab → · Contrast checker → · Palette generator →

#4F55CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva