#3139A5#3139A5

#3139A5 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.171 H 272.9°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#3139A5
RGB	rgb(49, 57, 165)
HSL	hsl(236, 54%, 42%)
HSV	hsv(236, 70%, 65%)
CMYK	cmyk(70.3%, 65.5%, 0%, 35.3%)
CIE-LAB	lab(30.14, 33.30, -59.12)
CIE-LCH	lch(30.14, 67.86, 299.39°)
OKLab	oklab(41.13% 0.0087 -0.1707)
OKLCH	oklch(41.13% 0.171 272.9)
XYZ	xyz(9.5190, 6.2949, 36.3034)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3139A5 #A59D31

analogous

#3173A5 #3139A5 #6331A5

triadic

#3139A5 #A53139 #39A531

tetradic

#3139A5 #A53173 #A59D31 #31A563

square

#3139A5 #A53173 #A59D31 #31A563

split-complementary

#3139A5 #A56331 #73A531

monochromatic

#151847 #232976 #3139A5 #4A53C9 #7980D7

Accessibility & contrast

On white

9.30

#3139A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3139A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139A5

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139A5	#FFFFFF	#000000	##FFFFFF
##3139A5	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA8

Deuteranopia (green-blind)

#0042A3

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3139a5;
/* rgb */ color: rgb(49, 57, 165);
/* oklch */ color: oklch(41.1% 0.171 272.9);

Tailwind

colors: {
  custom: {
    50: '#796fc1',
    500: '#3139a5',
    950: '#000000',
  },
}

SCSS

$custom: #3139a5;
$custom-light: #796fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#3139a5",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 165
  },
  "hsl": {
    "h": 235.862,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4113,
    "c": 0.17096,
    "h": 272.9
  },
  "luminance": 0.06296
}

Semantic roles & 50–950 ramp

primary

#3139A5

secondary

#C0BA72

accent

#D34ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3139A5

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

Preview Lab → · Contrast checker → · Palette generator →