#3349B3#3349B3

#3349B3 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.4% C 0.170 H 269.5°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3349B3
RGB	rgb(51, 73, 179)
HSL	hsl(230, 56%, 45%)
HSV	hsv(230, 72%, 70%)
CMYK	cmyk(71.5%, 59.2%, 0%, 29.8%)
CIE-LAB	lab(35.44, 28.26, -58.83)
CIE-LCH	lch(35.44, 65.26, 295.66°)
OKLab	oklab(45.44% -0.0016 -0.1697)
OKLCH	oklch(45.44% 0.17 269.5)
XYZ	xyz(11.8817, 8.7224, 43.6965)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3349B3 #B39D33

analogous

#3389B3 #3349B3 #5D33B3

triadic

#3349B3 #B33349 #49B333

tetradic

#3349B3 #B33389 #B39D33 #33B35D

square

#3349B3 #B33389 #B39D33 #33B35D

split-complementary

#3349B3 #B35D33 #89B333

monochromatic

#182254 #253683 #3349B3 #556ACE #8493DC

Accessibility & contrast

On white

7.65

#3349B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3349B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3349B3

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3349B3	#FFFFFF	#000000	##FFFFFF
##3349B3	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3349b3;
/* rgb */ color: rgb(51, 73, 179);
/* oklch */ color: oklch(45.4% 0.170 269.5);

Tailwind

colors: {
  custom: {
    50: '#7c7bcb',
    500: '#3349b3',
    950: '#000000',
  },
}

SCSS

$custom: #3349b3;
$custom-light: #7c7bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3349b3",
  "rgb": {
    "r": 51,
    "g": 73,
    "b": 179
  },
  "hsl": {
    "h": 229.688,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45436,
    "c": 0.16968,
    "h": 269.5
  },
  "luminance": 0.08724
}

Semantic roles & 50–950 ramp

primary

#3349B3

secondary

#C6B97C

accent

#C549DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3349B3

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

Preview Lab → · Contrast checker → · Palette generator →