#3139C5#3139C5

#3139C5 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.212 H 271.4°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#3139C5
RGB	rgb(49, 57, 197)
HSL	hsl(237, 60%, 48%)
HSV	hsv(237, 75%, 77%)
CMYK	cmyk(75.1%, 71.1%, 0%, 22.7%)
CIE-LAB	lab(33.16, 44.44, -73.17)
CIE-LCH	lch(33.16, 85.61, 301.27°)
OKLab	oklab(44.22% 0.0052 -0.2118)
OKLCH	oklch(44.22% 0.212 271.4)
XYZ	xyz(12.8044, 7.6091, 53.6064)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.98

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3139C5 #C5BD31

analogous

#3183C5 #3139C5 #7331C5

triadic

#3139C5 #C53139 #39C531

tetradic

#3139C5 #C53183 #C5BD31 #31C573

square

#3139C5 #C53183 #C5BD31 #31C573

split-complementary

#3139C5 #C57331 #83C531

monochromatic

#191D63 #252B94 #3139C5 #5D63D7 #8E92E3

Accessibility & contrast

On white

8.33

#3139C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3139C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139C5

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139C5	#FFFFFF	#000000	##FFFFFF
##3139C5	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C9

Deuteranopia (green-blind)

#0047C2

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3139c5;
/* rgb */ color: rgb(49, 57, 197);
/* oklch */ color: oklch(44.2% 0.212 271.4);

Tailwind

colors: {
  custom: {
    50: '#8170d8',
    500: '#3139c5',
    950: '#000000',
  },
}

SCSS

$custom: #3139c5;
$custom-light: #8170d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3139c5",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 197
  },
  "hsl": {
    "h": 236.757,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44223,
    "c": 0.21186,
    "h": 271.4
  },
  "luminance": 0.0761
}

Semantic roles & 50–950 ramp

primary

#3139C5

secondary

#CDC985

accent

#DB44E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3139C5

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

Preview Lab → · Contrast checker → · Palette generator →