#3139BE#3139BE

#3139BE is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.5% C 0.203 H 271.7°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3139BE
RGB	rgb(49, 57, 190)
HSL	hsl(237, 59%, 47%)
HSV	hsv(237, 74%, 75%)
CMYK	cmyk(74.2%, 70%, 0%, 25.5%)
CIE-LAB	lab(32.47, 42.05, -70.19)
CIE-LCH	lch(32.47, 81.83, 300.93°)
OKLab	oklab(43.53% 0.0061 -0.2031)
OKLCH	oklch(43.53% 0.203 271.7)
XYZ	xyz(12.0209, 7.2957, 49.4799)
Luminance	0.0730 (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

#3139BE #BEB631

analogous

#3180BE #3139BE #7031BE

triadic

#3139BE #BE3139 #39BE31

tetradic

#3139BE #BE3180 #BEB631 #31BE70

square

#3139BE #BE3180 #BEB631 #31BE70

split-complementary

#3139BE #BE7031 #80BE31

monochromatic

#181C5D #242A8D #3139BE #585FD4 #898EE1

Accessibility & contrast

On white

8.54

#3139BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3139BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139BE

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139BE	#FFFFFF	#000000	##FFFFFF
##3139BE	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C2

Deuteranopia (green-blind)

#0046BC

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3139be;
/* rgb */ color: rgb(49, 57, 190);
/* oklch */ color: oklch(43.5% 0.203 271.7);

Tailwind

colors: {
  custom: {
    50: '#7f70d3',
    500: '#3139be',
    950: '#000000',
  },
}

SCSS

$custom: #3139be;
$custom-light: #7f70d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3139be",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 190
  },
  "hsl": {
    "h": 236.596,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43525,
    "c": 0.20319,
    "h": 271.7
  },
  "luminance": 0.07297
}

Semantic roles & 50–950 ramp

primary

#3139BE

secondary

#CAC680

accent

#D946E2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3139BE

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

Preview Lab → · Contrast checker → · Palette generator →