#3939BE#3939BE

#3939BE is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.201 H 274.3°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3939BE
RGB	rgb(57, 57, 190)
HSL	hsl(240, 54%, 48%)
HSV	hsv(240, 70%, 75%)
CMYK	cmyk(70%, 70%, 0%, 25.5%)
CIE-LAB	lab(32.95, 42.90, -69.39)
CIE-LCH	lch(32.95, 81.58, 301.72°)
OKLab	oklab(43.99% 0.0152 -0.2006)
OKLCH	oklch(43.99% 0.201 274.3)
XYZ	xyz(12.4416, 7.5126, 49.4996)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.56

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3939BE #BEBE39

analogous

#397BBE #3939BE #7B39BE

triadic

#3939BE #BE3939 #39BE39

tetradic

#3939BE #BE397B #BEBE39 #39BE7B

square

#3939BE #BE397B #BEBE39 #39BE7B

split-complementary

#3939BE #BE7B39 #7BBE39

monochromatic

#1D1D60 #2B2B8F #3939BE #6464D0 #9393DF

Accessibility & contrast

On white

8.39

#3939BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3939BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939BE

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939BE	#FFFFFF	#000000	##FFFFFF
##3939BE	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0047BC

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3939be;
/* rgb */ color: rgb(57, 57, 190);
/* oklch */ color: oklch(44.0% 0.201 274.3);

Tailwind

colors: {
  custom: {
    50: '#8270d3',
    500: '#3939be',
    950: '#000000',
  },
}

SCSS

$custom: #3939be;
$custom-light: #8270d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3939be",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 190
  },
  "hsl": {
    "h": 240,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43994,
    "c": 0.20116,
    "h": 274.3
  },
  "luminance": 0.07514
}

Semantic roles & 50–950 ramp

primary

#3939BE

secondary

#CACA89

accent

#DD4BDD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3939BE

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

Preview Lab → · Contrast checker → · Palette generator →