#3142BD#3142BD

#3142BD is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.192 H 270.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3142BD
RGB	rgb(49, 66, 189)
HSL	hsl(233, 59%, 47%)
HSV	hsv(233, 74%, 74%)
CMYK	cmyk(74.1%, 65.1%, 0%, 25.9%)
CIE-LAB	lab(34.44, 36.15, -66.37)
CIE-LCH	lch(34.44, 75.57, 298.58°)
OKLab	oklab(44.93% 0.001 -0.1919)
OKLCH	oklch(44.93% 0.192 270.3)
XYZ	xyz(12.3970, 8.2222, 49.0679)
Luminance	0.0822 (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

#3142BD #BDAC31

analogous

#3188BD #3142BD #6631BD

triadic

#3142BD #BD3142 #42BD31

tetradic

#3142BD #BD3188 #BDAC31 #31BD66

square

#3142BD #BD3188 #BDAC31 #31BD66

split-complementary

#3142BD #BD6631 #88BD31

monochromatic

#18205C #24318C #3142BD #5867D4 #8893E0

Accessibility & contrast

On white

7.94

#3142BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3142BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3142BD

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3142BD	#FFFFFF	#000000	##FFFFFF
##3142BD	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3142bd;
/* rgb */ color: rgb(49, 66, 189);
/* oklch */ color: oklch(44.9% 0.192 270.3);

Tailwind

colors: {
  custom: {
    50: '#7e76d2',
    500: '#3142bd',
    950: '#000000',
  },
}

SCSS

$custom: #3142bd;
$custom-light: #7e76d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3142bd",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 189
  },
  "hsl": {
    "h": 232.714,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44928,
    "c": 0.1919,
    "h": 270.3
  },
  "luminance": 0.08224
}

Semantic roles & 50–950 ramp

primary

#3142BD

secondary

#CAC180

accent

#CF46E2

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #3142BD

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

Preview Lab → · Contrast checker → · Palette generator →