#3139C4#3139C4

#3139C4 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.1% C 0.211 H 271.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3139C4
RGB	rgb(49, 57, 196)
HSL	hsl(237, 60%, 48%)
HSV	hsv(237, 75%, 77%)
CMYK	cmyk(75%, 70.9%, 0%, 23.1%)
CIE-LAB	lab(33.06, 44.10, -72.75)
CIE-LCH	lch(33.06, 85.07, 301.22°)
OKLab	oklab(44.12% 0.0054 -0.2106)
OKLCH	oklch(44.12% 0.211 271.5)
XYZ	xyz(12.6902, 7.5634, 53.0049)
Luminance	0.0756 (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

#3139C4 #C4BC31

analogous

#3182C4 #3139C4 #7331C4

triadic

#3139C4 #C43139 #39C431

tetradic

#3139C4 #C43182 #C4BC31 #31C473

square

#3139C4 #C43182 #C4BC31 #31C473

split-complementary

#3139C4 #C47331 #82C431

monochromatic

#191D62 #252B93 #3139C4 #5C63D6 #8D92E2

Accessibility & contrast

On white

8.36

#3139C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3139C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139C4

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139C4	#FFFFFF	#000000	##FFFFFF
##3139C4	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C8

Deuteranopia (green-blind)

#0047C1

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3139c4;
/* rgb */ color: rgb(49, 57, 196);
/* oklch */ color: oklch(44.1% 0.211 271.5);

Tailwind

colors: {
  custom: {
    50: '#8070d7',
    500: '#3139c4',
    950: '#000000',
  },
}

SCSS

$custom: #3139c4;
$custom-light: #8070d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3139c4",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 196
  },
  "hsl": {
    "h": 236.735,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44123,
    "c": 0.21063,
    "h": 271.5
  },
  "luminance": 0.07565
}

Semantic roles & 50–950 ramp

primary

#3139C4

secondary

#CDC984

accent

#DB45E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3139C4

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

Preview Lab → · Contrast checker → · Palette generator →