#3349B1#3349B1

#3349B1 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.167 H 269.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3349B1
RGB	rgb(51, 73, 177)
HSL	hsl(230, 55%, 45%)
HSV	hsv(230, 71%, 69%)
CMYK	cmyk(71.2%, 58.8%, 0%, 30.6%)
CIE-LAB	lab(35.29, 27.53, -57.90)
CIE-LCH	lch(35.29, 64.11, 295.43°)
OKLab	oklab(45.27% -0.0016 -0.1669)
OKLCH	oklch(45.27% 0.167 269.4)
XYZ	xyz(11.6809, 8.6420, 42.6389)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3349B1 #B19B33

analogous

#3388B1 #3349B1 #5C33B1

triadic

#3349B1 #B13349 #49B133

tetradic

#3349B1 #B13388 #B19B33 #33B15C

square

#3349B1 #B13388 #B19B33 #33B15C

split-complementary

#3349B1 #B15C33 #88B133

monochromatic

#182252 #253581 #3349B1 #5469CE #8393DB

Accessibility & contrast

On white

7.70

#3349B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3349B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3349B1

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3349B1	#FFFFFF	#000000	##FFFFFF
##3349B1	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)

#0059B4

Deuteranopia (green-blind)

#004DAF

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3349b1;
/* rgb */ color: rgb(51, 73, 177);
/* oklch */ color: oklch(45.3% 0.167 269.4);

Tailwind

colors: {
  custom: {
    50: '#7b7bc9',
    500: '#3349b1',
    950: '#000000',
  },
}

SCSS

$custom: #3349b1;
$custom-light: #7b7bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3349b1",
  "rgb": {
    "r": 51,
    "g": 73,
    "b": 177
  },
  "hsl": {
    "h": 229.524,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45268,
    "c": 0.16696,
    "h": 269.4
  },
  "luminance": 0.08643
}

Semantic roles & 50–950 ramp

primary

#3349B1

secondary

#C5B87B

accent

#C549DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3349B1

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

Preview Lab → · Contrast checker → · Palette generator →