#4139CD#4139CD

#4139CD is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.0% C 0.218 H 276.0°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#4139CD
RGBrgb(65, 57, 205)
HSLhsl(243, 60%, 51%)
HSVhsv(243, 72%, 80%)
CMYKcmyk(68.3%, 72.2%, 0%, 19.6%)
CIE-LABlab(34.92, 48.67, -74.90)
CIE-LCHlch(34.92, 89.33, 303.02°)
OKLaboklab(45.98% 0.0226 -0.2165)
OKLCHoklch(45.98% 0.218 276)
XYZxyz(14.6589, 8.4565, 58.6055)
Luminance0.0846 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4139CD #C5CD39
analogous
#397BCD #4139CD #8B39CD
triadic
#4139CD #CD4139 #39CD41
tetradic
#4139CD #CD397B #C5CD39 #39CD8B
square
#4139CD #CD397B #C5CD39 #39CD8B
split-complementary
#4139CD #CD8B39 #7BCD39
monochromatic
#211C6F #2F28A0 #4139CD #706AD9 #9F9BE6

Accessibility & contrast

On white

7.80
#4139CD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#4139CD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4139CD
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4139CD#FFFFFF#000000##FFFFFF
##4139CD1.007.802.697.80
#FFFFFF7.801.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059D1
Deuteranopia (green-blind)
#004BCA
Tritanopia (blue-blind)
#006380
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4139cd;
/* rgb */ color: rgb(65, 57, 205);
/* oklch */ color: oklch(46.0% 0.218 276.0);
Tailwind
colors: {
  custom: {
    50: '#8871de',
    500: '#4139cd',
    950: '#000000',
  },
}
SCSS
$custom: #4139cd;
$custom-light: #8871de;
$custom-dark: #000000;
JSON
{
  "hex": "#4139cd",
  "rgb": {
    "r": 65,
    "g": 57,
    "b": 205
  },
  "hsl": {
    "h": 243.243,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.45976,
    "c": 0.21763,
    "h": 276
  },
  "luminance": 0.08458
}

Semantic roles & 50–950 ramp

primary
#4139CD
secondary
#CED290
accent
#E345DA
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4139CD

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

Preview Lab → · Contrast checker → · Palette generator →

#4139CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva