#3139C0#3139C0

#3139C0 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.7% C 0.206 H 271.6°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3139C0
RGB	rgb(49, 57, 192)
HSL	hsl(237, 59%, 47%)
HSV	hsv(237, 74%, 75%)
CMYK	cmyk(74.5%, 70.3%, 0%, 24.7%)
CIE-LAB	lab(32.66, 42.74, -71.05)
CIE-LCH	lch(32.66, 82.91, 301.03°)
OKLab	oklab(43.72% 0.0059 -0.2056)
OKLCH	oklch(43.72% 0.206 271.6)
XYZ	xyz(12.2410, 7.3837, 50.6390)
Luminance	0.0738 (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

#3139C0 #C0B831

analogous

#3181C0 #3139C0 #7031C0

triadic

#3139C0 #C03139 #39C031

tetradic

#3139C0 #C03181 #C0B831 #31C070

square

#3139C0 #C03181 #C0B831 #31C070

split-complementary

#3139C0 #C07031 #81C031

monochromatic

#181C5E #252B8F #3139C0 #5960D5 #8A8FE1

Accessibility & contrast

On white

8.48

#3139C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3139C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139C0

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139C0	#FFFFFF	#000000	##FFFFFF
##3139C0	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C4

Deuteranopia (green-blind)

#0046BE

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3139c0;
/* rgb */ color: rgb(49, 57, 192);
/* oklch */ color: oklch(43.7% 0.206 271.6);

Tailwind

colors: {
  custom: {
    50: '#7f70d4',
    500: '#3139c0',
    950: '#000000',
  },
}

SCSS

$custom: #3139c0;
$custom-light: #7f70d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3139c0",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 192
  },
  "hsl": {
    "h": 236.643,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43724,
    "c": 0.20568,
    "h": 271.6
  },
  "luminance": 0.07385
}

Semantic roles & 50–950 ramp

primary

#3139C0

secondary

#CBC782

accent

#DA45E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3139C0

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

Preview Lab → · Contrast checker → · Palette generator →