#3939C3#3939C3

#3939C3 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.207 H 274.0°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3939C3
RGB	rgb(57, 57, 195)
HSL	hsl(240, 55%, 49%)
HSV	hsv(240, 71%, 76%)
CMYK	cmyk(70.8%, 70.8%, 0%, 23.5%)
CIE-LAB	lab(33.42, 44.56, -71.54)
CIE-LCH	lch(33.42, 84.29, 301.92°)
OKLab	oklab(44.48% 0.0145 -0.2069)
OKLCH	oklch(44.48% 0.207 274)
XYZ	xyz(12.9975, 7.7350, 52.4272)
Luminance	0.0774 (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

#3939C3 #C3C339

analogous

#397EC3 #3939C3 #7E39C3

triadic

#3939C3 #C33939 #39C339

tetradic

#3939C3 #C3397E #C3C339 #39C37E

square

#3939C3 #C3397E #C3C339 #39C37E

split-complementary

#3939C3 #C37E39 #7EC339

monochromatic

#1D1D64 #2B2B94 #3939C3 #6767D2 #9696E0

Accessibility & contrast

On white

8.24

#3939C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3939C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939C3

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939C3	#FFFFFF	#000000	##FFFFFF
##3939C3	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C7

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3939c3;
/* rgb */ color: rgb(57, 57, 195);
/* oklch */ color: oklch(44.5% 0.207 274.0);

Tailwind

colors: {
  custom: {
    50: '#8371d6',
    500: '#3939c3',
    950: '#000000',
  },
}

SCSS

$custom: #3939c3;
$custom-light: #8371d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3939c3",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 195
  },
  "hsl": {
    "h": 240,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44482,
    "c": 0.20737,
    "h": 274
  },
  "luminance": 0.07736
}

Semantic roles & 50–950 ramp

primary

#3939C3

secondary

#CCCC8C

accent

#DE4ADE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3939C3

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

Preview Lab → · Contrast checker → · Palette generator →