#4143D9#4143D9

#4143D9 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.6% C 0.222 H 273.8°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#4143D9
RGBrgb(65, 67, 217)
HSLhsl(239, 67%, 55%)
HSVhsv(239, 70%, 85%)
CMYKcmyk(70%, 69.1%, 0%, 14.9%)
CIE-LABlab(38.10, 46.88, -76.58)
CIE-LCHlch(38.10, 89.79, 301.47°)
OKLaboklab(48.6% 0.0149 -0.2214)
OKLCHoklch(48.6% 0.222 273.8)
XYZxyz(16.7073, 10.1463, 66.7101)
Luminance0.1015 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4143D9 #D9D741
analogous
#418FD9 #4143D9 #8B41D9
triadic
#4143D9 #D94143 #43D941
tetradic
#4143D9 #D9418F #D9D741 #41D98B
square
#4143D9 #D9418F #D9D741 #41D98B
split-complementary
#4143D9 #D98B41 #8FD941
monochromatic
#1B1C85 #2527B8 #4143D9 #7475E3 #A7A8ED

Accessibility & contrast

On white

6.93
#4143D9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#4143D9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4143D9
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4143D9#FFFFFF#000000##FFFFFF
##4143D91.006.933.036.93
#FFFFFF6.931.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061DE
Deuteranopia (green-blind)
#0053D6
Tritanopia (blue-blind)
#006C89
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #4143d9;
/* rgb */ color: rgb(65, 67, 217);
/* oklch */ color: oklch(48.6% 0.222 273.8);
Tailwind
colors: {
  custom: {
    50: '#8a78e6',
    500: '#4143d9',
    950: '#000000',
  },
}
SCSS
$custom: #4143d9;
$custom-light: #8a78e6;
$custom-dark: #000000;
JSON
{
  "hex": "#4143d9",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 217
  },
  "hsl": {
    "h": 239.211,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.486,
    "c": 0.2219,
    "h": 273.8
  },
  "luminance": 0.10148
}

Semantic roles & 50–950 ramp

primary
#4143D9
secondary
#DBDA9B
accent
#E73EEA
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0D0916
muted
#7E7B84

Preview Lab

Preview with #4143D9

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

Preview Lab → · Contrast checker → · Palette generator →

#4143D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva