#4139C8#4139C8

#4139C8 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.5% C 0.212 H 276.4°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#4139C8
RGBrgb(65, 57, 200)
HSLhsl(243, 57%, 50%)
HSVhsv(243, 72%, 78%)
CMYKcmyk(67.5%, 71.5%, 0%, 21.6%)
CIE-LABlab(34.43, 47.08, -72.78)
CIE-LCHlch(34.43, 86.68, 302.89°)
OKLaboklab(45.49% 0.0235 -0.2103)
OKLCHoklch(45.49% 0.212 276.4)
XYZxyz(14.0650, 8.2189, 55.4776)
Luminance0.0822 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4139C8 #C0C839
analogous
#3978C8 #4139C8 #8939C8
triadic
#4139C8 #C84139 #39C841
tetradic
#4139C8 #C83978 #C0C839 #39C889
square
#4139C8 #C83978 #C0C839 #39C889
split-complementary
#4139C8 #C88939 #78C839
monochromatic
#221D69 #312B99 #4139C8 #6F69D5 #9D99E3

Accessibility & contrast

On white

7.94
#4139C8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#4139C8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4139C8
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4139C8#FFFFFF#000000##FFFFFF
##4139C81.007.942.647.94
#FFFFFF7.941.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CC
Deuteranopia (green-blind)
#004BC5
Tritanopia (blue-blind)
#00617D
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #4139c8;
/* rgb */ color: rgb(65, 57, 200);
/* oklch */ color: oklch(45.5% 0.212 276.4);
Tailwind
colors: {
  custom: {
    50: '#8771da',
    500: '#4139c8',
    950: '#000000',
  },
}
SCSS
$custom: #4139c8;
$custom-light: #8771da;
$custom-dark: #000000;
JSON
{
  "hex": "#4139c8",
  "rgb": {
    "r": 65,
    "g": 57,
    "b": 200
  },
  "hsl": {
    "h": 243.357,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45488,
    "c": 0.21158,
    "h": 276.4
  },
  "luminance": 0.0822
}

Semantic roles & 50–950 ramp

primary
#4139C8
secondary
#CBCE8F
accent
#E048D7
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4139C8

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

Preview Lab → · Contrast checker → · Palette generator →

#4139C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva