#3149BB#3149BB

#3149BB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.181 H 268.9°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3149BB
RGB	rgb(49, 73, 187)
HSL	hsl(230, 58%, 46%)
HSV	hsv(230, 74%, 73%)
CMYK	cmyk(73.8%, 61%, 0%, 26.7%)
CIE-LAB	lab(35.99, 30.94, -62.65)
CIE-LCH	lch(35.99, 69.88, 296.28°)
OKLab	oklab(46.02% -0.0035 -0.1809)
OKLCH	oklch(46.02% 0.181 268.9)
XYZ	xyz(12.6157, 9.0046, 48.0773)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149BB #BBA331

analogous

#318EBB #3149BB #5E31BB

triadic

#3149BB #BB3149 #49BB31

tetradic

#3149BB #BB318E #BBA331 #31BB5E

square

#3149BB #BB318E #BBA331 #31BB5E

split-complementary

#3149BB #BB5E31 #8EBB31

monochromatic

#18235A #24368B #3149BB #566CD3 #8796E0

Accessibility & contrast

On white

7.50

#3149BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3149BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149BB

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149BB	#FFFFFF	#000000	##FFFFFF
##3149BB	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3149bb;
/* rgb */ color: rgb(49, 73, 187);
/* oklch */ color: oklch(46.0% 0.181 268.9);

Tailwind

colors: {
  custom: {
    50: '#7d7bd0',
    500: '#3149bb',
    950: '#000000',
  },
}

SCSS

$custom: #3149bb;
$custom-light: #7d7bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3149bb",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 187
  },
  "hsl": {
    "h": 229.565,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.46019,
    "c": 0.18098,
    "h": 268.9
  },
  "luminance": 0.09006
}

Semantic roles & 50–950 ramp

primary

#3149BB

secondary

#C9BC7F

accent

#C746E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3149BB

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

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