#3149B2#3149B2

#3149B2 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.169 H 268.8°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3149B2
RGB	rgb(49, 73, 178)
HSL	hsl(229, 57%, 45%)
HSV	hsv(229, 72%, 70%)
CMYK	cmyk(72.5%, 59%, 0%, 30.2%)
CIE-LAB	lab(35.26, 27.63, -58.53)
CIE-LCH	lch(35.26, 64.73, 295.27°)
OKLab	oklab(45.25% -0.0035 -0.1688)
OKLCH	oklch(45.25% 0.169 268.8)
XYZ	xyz(11.6823, 8.6312, 43.1612)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149B2 #B29A31

analogous

#318AB2 #3149B2 #5A31B2

triadic

#3149B2 #B23149 #49B231

tetradic

#3149B2 #B2318A #B29A31 #31B25A

square

#3149B2 #B2318A #B29A31 #31B25A

split-complementary

#3149B2 #B25A31 #8AB231

monochromatic

#172252 #243582 #3149B2 #5169CF #8192DC

Accessibility & contrast

On white

7.70

#3149B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3149B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149B2

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149B2	#FFFFFF	#000000	##FFFFFF
##3149B2	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B6

Deuteranopia (green-blind)

#004DB0

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3149b2;
/* rgb */ color: rgb(49, 73, 178);
/* oklch */ color: oklch(45.3% 0.169 268.8);

Tailwind

colors: {
  custom: {
    50: '#7b7bca',
    500: '#3149b2',
    950: '#000000',
  },
}

SCSS

$custom: #3149b2;
$custom-light: #7b7bca;
$custom-dark: #000000;

JSON

{
  "hex": "#3149b2",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 178
  },
  "hsl": {
    "h": 228.837,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4525,
    "c": 0.16889,
    "h": 268.8
  },
  "luminance": 0.08632
}

Semantic roles & 50–950 ramp

primary

#3149B2

secondary

#C5B779

accent

#C448E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3149B2

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

Preview Lab → · Contrast checker → · Palette generator →