#3147B8#3147B8

#3147B8 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.4% C 0.179 H 269.3°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3147B8
RGB	rgb(49, 71, 184)
HSL	hsl(230, 58%, 46%)
HSV	hsv(230, 73%, 72%)
CMYK	cmyk(73.4%, 61.4%, 0%, 27.8%)
CIE-LAB	lab(35.24, 31.14, -62.12)
CIE-LCH	lch(35.24, 69.49, 296.63°)
OKLab	oklab(45.38% -0.0021 -0.1794)
OKLCH	oklch(45.38% 0.179 269.3)
XYZ	xyz(12.1686, 8.6189, 46.3604)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147B8 #B8A231

analogous

#318AB8 #3147B8 #5E31B8

triadic

#3147B8 #B83147 #47B831

tetradic

#3147B8 #B8318A #B8A231 #31B85E

square

#3147B8 #B8318A #B8A231 #31B85E

split-complementary

#3147B8 #B85E31 #8AB831

monochromatic

#172257 #243488 #3147B8 #5569D2 #8594DE

Accessibility & contrast

On white

7.71

#3147B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3147B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147B8

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147B8	#FFFFFF	#000000	##FFFFFF
##3147B8	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BC

Deuteranopia (green-blind)

#004DB6

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3147b8;
/* rgb */ color: rgb(49, 71, 184);
/* oklch */ color: oklch(45.4% 0.179 269.3);

Tailwind

colors: {
  custom: {
    50: '#7c7ace',
    500: '#3147b8',
    950: '#000000',
  },
}

SCSS

$custom: #3147b8;
$custom-light: #7c7ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3147b8",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 184
  },
  "hsl": {
    "h": 230.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.45384,
    "c": 0.17941,
    "h": 269.3
  },
  "luminance": 0.0862
}

Semantic roles & 50–950 ramp

primary

#3147B8

secondary

#C8BC7D

accent

#C847E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3147B8

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

Preview Lab → · Contrast checker → · Palette generator →