#4143BD#4143BD

#4143BD is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.0% C 0.187 H 275.5°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#4143BD
RGB	rgb(65, 67, 189)
HSL	hsl(239, 49%, 50%)
HSV	hsv(239, 66%, 74%)
CMYK	cmyk(65.6%, 64.6%, 0%, 25.9%)
CIE-LAB	lab(35.62, 37.54, -64.40)
CIE-LCH	lch(35.62, 74.55, 300.24°)
OKLab	oklab(46.04% 0.0179 -0.1857)
OKLCH	oklch(46.04% 0.187 275.5)
XYZ	xyz(13.3694, 8.8111, 49.1304)
Luminance	0.0881 (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

#4143BD #BDBB41

analogous

#4181BD #4143BD #7D41BD

triadic

#4143BD #BD4143 #43BD41

tetradic

#4143BD #BD4181 #BDBB41 #41BD7D

square

#4143BD #BD4181 #BDBB41 #41BD7D

split-complementary

#4143BD #BD7D41 #81BD41

monochromatic

#222362 #31338F #4143BD #6E70CD #9C9DDD

Accessibility & contrast

On white

7.60

#4143BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4143BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4143BD

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143BD	#FFFFFF	#000000	##FFFFFF
##4143BD	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C1

Deuteranopia (green-blind)

#004EBB

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4143bd;
/* rgb */ color: rgb(65, 67, 189);
/* oklch */ color: oklch(46.0% 0.187 275.5);

Tailwind

colors: {
  custom: {
    50: '#8477d2',
    500: '#4143bd',
    950: '#000000',
  },
}

SCSS

$custom: #4143bd;
$custom-light: #8477d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4143bd",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 189
  },
  "hsl": {
    "h": 239.032,
    "s": 48.819,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46039,
    "c": 0.18661,
    "h": 275.5
  },
  "luminance": 0.08812
}

Semantic roles & 50–950 ramp

primary

#4143BD

secondary

#C9C891

accent

#D64FD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4143BD

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

Preview Lab → · Contrast checker → · Palette generator →