#3839CC#3839CC

#3839CC is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.219 H 273.1°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3839CC
RGB	rgb(56, 57, 204)
HSL	hsl(240, 59%, 51%)
HSV	hsv(240, 73%, 80%)
CMYK	cmyk(72.5%, 72.1%, 0%, 20%)
CIE-LAB	lab(34.24, 47.43, -75.45)
CIE-LCH	lch(34.24, 89.12, 302.15°)
OKLab	oklab(45.32% 0.0119 -0.2183)
OKLCH	oklch(45.32% 0.219 273.1)
XYZ	xyz(13.9894, 8.1252, 57.9461)
Luminance	0.0813 (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

#3839CC #CCCB38

analogous

#3883CC #3839CC #8138CC

triadic

#3839CC #CC3839 #39CC38

tetradic

#3839CC #CC3883 #CCCB38 #38CC81

square

#3839CC #CC3883 #CCCB38 #38CC81

split-complementary

#3839CC #CC8138 #83CC38

monochromatic

#1C1D6E #29299E #3839CC #6969D8 #999AE5

Accessibility & contrast

On white

8.00

#3839CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3839CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839CC

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839CC	#FFFFFF	#000000	##FFFFFF
##3839CC	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D0

Deuteranopia (green-blind)

#0049C9

Tritanopia (blue-blind)

#00637F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3839cc;
/* rgb */ color: rgb(56, 57, 204);
/* oklch */ color: oklch(45.3% 0.219 273.1);

Tailwind

colors: {
  custom: {
    50: '#8571dd',
    500: '#3839cc',
    950: '#000000',
  },
}

SCSS

$custom: #3839cc;
$custom-light: #8571dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3839cc",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 204
  },
  "hsl": {
    "h": 239.595,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45315,
    "c": 0.21861,
    "h": 273.1
  },
  "luminance": 0.08127
}

Semantic roles & 50–950 ramp

primary

#3839CC

secondary

#D1D08F

accent

#E145E2

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3839CC

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

Preview Lab → · Contrast checker → · Palette generator →