#3145BA#3145BA

#3145BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.184 H 269.8°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#3145BA
RGB	rgb(49, 69, 186)
HSL	hsl(231, 58%, 46%)
HSV	hsv(231, 74%, 73%)
CMYK	cmyk(73.7%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(34.91, 33.16, -63.84)
CIE-LCH	lch(34.91, 71.93, 297.45°)
OKLab	oklab(45.19% -0.0007 -0.1845)
OKLCH	oklch(45.19% 0.184 269.8)
XYZ	xyz(12.2546, 8.4531, 47.4306)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3145BA #BAA631

analogous

#3189BA #3145BA #6131BA

triadic

#3145BA #BA3145 #45BA31

tetradic

#3145BA #BA3189 #BAA631 #31BA61

square

#3145BA #BA3189 #BAA631 #31BA61

split-complementary

#3145BA #BA6131 #89BA31

monochromatic

#172159 #24338A #3145BA #5668D2 #8693DF

Accessibility & contrast

On white

7.80

#3145BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3145BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3145BA

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3145BA	#FFFFFF	#000000	##FFFFFF
##3145BA	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004CB8

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3145ba;
/* rgb */ color: rgb(49, 69, 186);
/* oklch */ color: oklch(45.2% 0.184 269.8);

Tailwind

colors: {
  custom: {
    50: '#7d78d0',
    500: '#3145ba',
    950: '#000000',
  },
}

SCSS

$custom: #3145ba;
$custom-light: #7d78d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3145ba",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 231.241,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45192,
    "c": 0.18446,
    "h": 269.8
  },
  "luminance": 0.08454
}

Semantic roles & 50–950 ramp

primary

#3145BA

secondary

#C9BE7E

accent

#CB46E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3145BA

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

Preview Lab → · Contrast checker → · Palette generator →