#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
RGB	rgb(65, 57, 205)
HSL	hsl(243, 60%, 51%)
HSV	hsv(243, 72%, 80%)
CMYK	cmyk(68.3%, 72.2%, 0%, 19.6%)
CIE-LAB	lab(34.92, 48.67, -74.90)
CIE-LCH	lch(34.92, 89.33, 303.02°)
OKLab	oklab(45.98% 0.0226 -0.2165)
OKLCH	oklch(45.98% 0.218 276)
XYZ	xyz(14.6589, 8.4565, 58.6055)
Luminance	0.0846 (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

#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
##4139CD	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

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 →