#4143C1#4143C1

#4143C1 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.4% C 0.192 H 275.3°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#4143C1
RGB	rgb(65, 67, 193)
HSL	hsl(239, 51%, 51%)
HSV	hsv(239, 66%, 76%)
CMYK	cmyk(66.3%, 65.3%, 0%, 24.3%)
CIE-LAB	lab(35.96, 38.89, -66.19)
CIE-LCH	lch(35.96, 76.77, 300.44°)
OKLab	oklab(46.39% 0.0176 -0.191)
OKLCH	oklch(46.39% 0.192 275.3)
XYZ	xyz(13.8096, 8.9872, 51.4487)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4143C1 #C1BF41

analogous

#4183C1 #4143C1 #7F41C1

triadic

#4143C1 #C14143 #43C141

tetradic

#4143C1 #C14183 #C1BF41 #41C17F

square

#4143C1 #C14183 #C1BF41 #41C17F

split-complementary

#4143C1 #C17F41 #83C141

monochromatic

#212266 #303294 #4143C1 #6F71D0 #9D9EDF

Accessibility & contrast

On white

7.51

#4143C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4143C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4143C1

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143C1	#FFFFFF	#000000	##FFFFFF
##4143C1	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC5

Deuteranopia (green-blind)

#004FBF

Tritanopia (blue-blind)

#00647C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4143c1;
/* rgb */ color: rgb(65, 67, 193);
/* oklch */ color: oklch(46.4% 0.192 275.3);

Tailwind

colors: {
  custom: {
    50: '#8577d5',
    500: '#4143c1',
    950: '#000000',
  },
}

SCSS

$custom: #4143c1;
$custom-light: #8577d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4143c1",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 193
  },
  "hsl": {
    "h": 239.063,
    "s": 50.794,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46393,
    "c": 0.1918,
    "h": 275.3
  },
  "luminance": 0.08988
}

Semantic roles & 50–950 ramp

primary

#4143C1

secondary

#CBCA92

accent

#D84EDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4143C1

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

Preview Lab → · Contrast checker → · Palette generator →