#3139B6#3139B6

#3139B6 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.193 H 272.1°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3139B6
RGB	rgb(49, 57, 182)
HSL	hsl(236, 58%, 45%)
HSV	hsv(236, 73%, 71%)
CMYK	cmyk(73.1%, 68.7%, 0%, 28.6%)
CIE-LAB	lab(31.71, 39.29, -66.73)
CIE-LCH	lch(31.71, 77.43, 300.49°)
OKLab	oklab(42.74% 0.0071 -0.193)
OKLCH	oklch(42.74% 0.193 272.1)
XYZ	xyz(11.1704, 6.9555, 45.0007)
Luminance	0.0696 (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

#3139B6 #B6AE31

analogous

#317BB6 #3139B6 #6B31B6

triadic

#3139B6 #B63139 #39B631

tetradic

#3139B6 #B6317B #B6AE31 #31B66B

square

#3139B6 #B6317B #B6AE31 #31B66B

split-complementary

#3139B6 #B66B31 #7BB631

monochromatic

#171B56 #242A86 #3139B6 #535BD1 #8489DE

Accessibility & contrast

On white

8.78

#3139B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3139B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139B6

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139B6	#FFFFFF	#000000	##FFFFFF
##3139B6	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BA

Deuteranopia (green-blind)

#0044B4

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3139b6;
/* rgb */ color: rgb(49, 57, 182);
/* oklch */ color: oklch(42.7% 0.193 272.1);

Tailwind

colors: {
  custom: {
    50: '#7d70cd',
    500: '#3139b6',
    950: '#000000',
  },
}

SCSS

$custom: #3139b6;
$custom-light: #7d70cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3139b6",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 182
  },
  "hsl": {
    "h": 236.391,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42741,
    "c": 0.19311,
    "h": 272.1
  },
  "luminance": 0.06957
}

Semantic roles & 50–950 ramp

primary

#3139B6

secondary

#C7C37C

accent

#D847E1

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3139B6

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

Preview Lab → · Contrast checker → · Palette generator →