#3139A4#3139A4

#3139A4 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.170 H 273.0°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#3139A4
RGB	rgb(49, 57, 164)
HSL	hsl(236, 54%, 42%)
HSV	hsv(236, 70%, 64%)
CMYK	cmyk(70.1%, 65.2%, 0%, 35.7%)
CIE-LAB	lab(30.06, 32.94, -58.67)
CIE-LCH	lch(30.06, 67.28, 299.31°)
OKLab	oklab(41.04% 0.0088 -0.1694)
OKLCH	oklch(41.04% 0.17 273)
XYZ	xyz(9.4283, 6.2587, 35.8259)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3139A4 #A49C31

analogous

#3173A4 #3139A4 #6331A4

triadic

#3139A4 #A43139 #39A431

tetradic

#3139A4 #A43173 #A49C31 #31A463

square

#3139A4 #A43173 #A49C31 #31A463

split-complementary

#3139A4 #A46331 #73A431

monochromatic

#151846 #232975 #3139A4 #4952C9 #797FD7

Accessibility & contrast

On white

9.33

#3139A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3139A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139A4

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139A4	#FFFFFF	#000000	##FFFFFF
##3139A4	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3139a4;
/* rgb */ color: rgb(49, 57, 164);
/* oklch */ color: oklch(41.0% 0.170 273.0);

Tailwind

colors: {
  custom: {
    50: '#796fc0',
    500: '#3139a4',
    950: '#000000',
  },
}

SCSS

$custom: #3139a4;
$custom-light: #796fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#3139a4",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 164
  },
  "hsl": {
    "h": 235.826,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41037,
    "c": 0.16963,
    "h": 273
  },
  "luminance": 0.0626
}

Semantic roles & 50–950 ramp

primary

#3139A4

secondary

#BFBA72

accent

#D34ADD

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3139A4

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

Preview Lab → · Contrast checker → · Palette generator →