#3939C0#3939C0

#3939C0 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.204 H 274.2°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#3939C0
RGB	rgb(57, 57, 192)
HSL	hsl(240, 54%, 49%)
HSV	hsv(240, 70%, 75%)
CMYK	cmyk(70.3%, 70.3%, 0%, 24.7%)
CIE-LAB	lab(33.14, 43.56, -70.26)
CIE-LCH	lch(33.14, 82.67, 301.80°)
OKLab	oklab(44.19% 0.0149 -0.2031)
OKLCH	oklch(44.19% 0.204 274.2)
XYZ	xyz(12.6617, 7.6007, 50.6587)
Luminance	0.0760 (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

#3939C0 #C0C039

analogous

#397DC0 #3939C0 #7D39C0

triadic

#3939C0 #C03939 #39C039

tetradic

#3939C0 #C0397D #C0C039 #39C07D

square

#3939C0 #C0397D #C0C039 #39C07D

split-complementary

#3939C0 #C07D39 #7DC039

monochromatic

#1D1D62 #2B2B91 #3939C0 #6565D1 #9494DF

Accessibility & contrast

On white

8.33

#3939C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3939C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939C0

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939C0	#FFFFFF	#000000	##FFFFFF
##3939C0	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C4

Deuteranopia (green-blind)

#0048BE

Tritanopia (blue-blind)

#005E78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3939c0;
/* rgb */ color: rgb(57, 57, 192);
/* oklch */ color: oklch(44.2% 0.204 274.2);

Tailwind

colors: {
  custom: {
    50: '#8270d4',
    500: '#3939c0',
    950: '#000000',
  },
}

SCSS

$custom: #3939c0;
$custom-light: #8270d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3939c0",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 192
  },
  "hsl": {
    "h": 240,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44189,
    "c": 0.20365,
    "h": 274.2
  },
  "luminance": 0.07602
}

Semantic roles & 50–950 ramp

primary

#3939C0

secondary

#CBCB8A

accent

#DE4ADE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3939C0

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

Preview Lab → · Contrast checker → · Palette generator →