#3149B4#3149B4

#3149B4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.4% C 0.172 H 268.8°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3149B4
RGB	rgb(49, 73, 180)
HSL	hsl(229, 57%, 45%)
HSV	hsv(229, 73%, 71%)
CMYK	cmyk(72.8%, 59.4%, 0%, 29.4%)
CIE-LAB	lab(35.42, 28.37, -59.45)
CIE-LCH	lch(35.42, 65.88, 295.51°)
OKLab	oklab(45.42% -0.0035 -0.1716)
OKLCH	oklch(45.42% 0.172 268.8)
XYZ	xyz(11.8845, 8.7121, 44.2264)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149B4 #B49C31

analogous

#318AB4 #3149B4 #5B31B4

triadic

#3149B4 #B43149 #49B431

tetradic

#3149B4 #B4318A #B49C31 #31B45B

square

#3149B4 #B4318A #B49C31 #31B45B

split-complementary

#3149B4 #B45B31 #8AB431

monochromatic

#172254 #243584 #3149B4 #5269D0 #8293DD

Accessibility & contrast

On white

7.66

#3149B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3149B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149B4

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149B4	#FFFFFF	#000000	##FFFFFF
##3149B4	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3149b4;
/* rgb */ color: rgb(49, 73, 180);
/* oklch */ color: oklch(45.4% 0.172 268.8);

Tailwind

colors: {
  custom: {
    50: '#7b7bcb',
    500: '#3149b4',
    950: '#000000',
  },
}

SCSS

$custom: #3149b4;
$custom-light: #7b7bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3149b4",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 180
  },
  "hsl": {
    "h": 229.008,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45419,
    "c": 0.1716,
    "h": 268.8
  },
  "luminance": 0.08713
}

Semantic roles & 50–950 ramp

primary

#3149B4

secondary

#C6B87B

accent

#C447E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3149B4

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

Preview Lab → · Contrast checker → · Palette generator →