#3139C1#3139C1

#3139C1 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.8% C 0.207 H 271.6°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3139C1
RGB	rgb(49, 57, 193)
HSL	hsl(237, 60%, 47%)
HSV	hsv(237, 75%, 76%)
CMYK	cmyk(74.6%, 70.5%, 0%, 24.3%)
CIE-LAB	lab(32.76, 43.08, -71.48)
CIE-LCH	lch(32.76, 83.45, 301.08°)
OKLab	oklab(43.82% 0.0058 -0.2068)
OKLCH	oklch(43.82% 0.207 271.6)
XYZ	xyz(12.3521, 7.4282, 51.2245)
Luminance	0.0743 (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

#3139C1 #C1B931

analogous

#3181C1 #3139C1 #7131C1

triadic

#3139C1 #C13139 #39C131

tetradic

#3139C1 #C13181 #C1B931 #31C171

square

#3139C1 #C13181 #C1B931 #31C171

split-complementary

#3139C1 #C17131 #81C131

monochromatic

#181C5F #252B90 #3139C1 #5A61D5 #8B90E2

Accessibility & contrast

On white

8.45

#3139C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3139C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139C1

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139C1	#FFFFFF	#000000	##FFFFFF
##3139C1	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C5

Deuteranopia (green-blind)

#0046BF

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3139c1;
/* rgb */ color: rgb(49, 57, 193);
/* oklch */ color: oklch(43.8% 0.207 271.6);

Tailwind

colors: {
  custom: {
    50: '#8070d5',
    500: '#3139c1',
    950: '#000000',
  },
}

SCSS

$custom: #3139c1;
$custom-light: #8070d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3139c1",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 193
  },
  "hsl": {
    "h": 236.667,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43823,
    "c": 0.20693,
    "h": 271.6
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary

#3139C1

secondary

#CCC882

accent

#DA45E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3139C1

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

Preview Lab → · Contrast checker → · Palette generator →