#3145BC#3145BC

#3145BC is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.4% C 0.187 H 269.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#3145BC
RGB	rgb(49, 69, 188)
HSL	hsl(231, 59%, 46%)
HSV	hsv(231, 74%, 74%)
CMYK	cmyk(73.9%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(35.08, 33.88, -64.73)
CIE-LCH	lch(35.08, 73.06, 297.63°)
OKLab	oklab(45.37% -0.0008 -0.1871)
OKLCH	oklch(45.37% 0.187 269.7)
XYZ	xyz(12.4687, 8.5387, 48.5582)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3145BC #BCA831

analogous

#318BBC #3145BC #6331BC

triadic

#3145BC #BC3145 #45BC31

tetradic

#3145BC #BC318B #BCA831 #31BC63

square

#3145BC #BC318B #BCA831 #31BC63

split-complementary

#3145BC #BC6331 #8BBC31

monochromatic

#18215B #24338B #3145BC #5769D3 #8894E0

Accessibility & contrast

On white

7.75

#3145BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3145BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3145BC

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3145BC	#FFFFFF	#000000	##FFFFFF
##3145BC	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004CBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3145bc;
/* rgb */ color: rgb(49, 69, 188);
/* oklch */ color: oklch(45.4% 0.187 269.7);

Tailwind

colors: {
  custom: {
    50: '#7d78d1',
    500: '#3145bc',
    950: '#000000',
  },
}

SCSS

$custom: #3145bc;
$custom-light: #7d78d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3145bc",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 231.367,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45371,
    "c": 0.18709,
    "h": 269.7
  },
  "luminance": 0.0854
}

Semantic roles & 50–950 ramp

primary

#3145BC

secondary

#CABF7F

accent

#CB46E2

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3145BC

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

Preview Lab → · Contrast checker → · Palette generator →