#3145BD#3145BD

#3145BD is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.5% C 0.188 H 269.7°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3145BD
RGB	rgb(49, 69, 189)
HSL	hsl(231, 59%, 47%)
HSV	hsv(231, 74%, 74%)
CMYK	cmyk(74.1%, 63.5%, 0%, 25.9%)
CIE-LAB	lab(35.17, 34.24, -65.18)
CIE-LCH	lch(35.17, 73.63, 297.72°)
OKLab	oklab(45.46% -0.0009 -0.1884)
OKLCH	oklch(45.46% 0.188 269.7)
XYZ	xyz(12.5769, 8.5820, 49.1279)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3145BD #BDA931

analogous

#318BBD #3145BD #6331BD

triadic

#3145BD #BD3145 #45BD31

tetradic

#3145BD #BD318B #BDA931 #31BD63

square

#3145BD #BD318B #BDA931 #31BD63

split-complementary

#3145BD #BD6331 #8BBD31

monochromatic

#18225C #24338C #3145BD #5869D4 #8895E0

Accessibility & contrast

On white

7.73

#3145BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3145BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3145BD

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3145BD	#FFFFFF	#000000	##FFFFFF
##3145BD	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C1

Deuteranopia (green-blind)

#004CBB

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3145bd;
/* rgb */ color: rgb(49, 69, 189);
/* oklch */ color: oklch(45.5% 0.188 269.7);

Tailwind

colors: {
  custom: {
    50: '#7e78d2',
    500: '#3145bd',
    950: '#000000',
  },
}

SCSS

$custom: #3145bd;
$custom-light: #7e78d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3145bd",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 189
  },
  "hsl": {
    "h": 231.429,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45461,
    "c": 0.1884,
    "h": 269.7
  },
  "luminance": 0.08583
}

Semantic roles & 50–950 ramp

primary

#3145BD

secondary

#CABF80

accent

#CC46E2

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3145BD

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

Preview Lab → · Contrast checker → · Palette generator →