#3345BF#3345BF

#3345BF is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.7% C 0.190 H 270.3°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3345BF
RGB	rgb(51, 69, 191)
HSL	hsl(232, 58%, 47%)
HSV	hsv(232, 73%, 75%)
CMYK	cmyk(73.3%, 63.9%, 0%, 25.1%)
CIE-LAB	lab(35.44, 35.19, -65.90)
CIE-LCH	lch(35.44, 74.71, 298.10°)
OKLab	oklab(45.74% 0.001 -0.1905)
OKLCH	oklch(45.74% 0.19 270.3)
XYZ	xyz(12.8941, 8.7203, 50.2838)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345BF #BFAD33

analogous

#338BBF #3345BF #6733BF

triadic

#3345BF #BF3345 #45BF33

tetradic

#3345BF #BF338B #BFAD33 #33BF67

square

#3345BF #BF338B #BFAD33 #33BF67

split-complementary

#3345BF #BF6733 #8BBF33

monochromatic

#19225E #26348F #3345BF #5C6BD3 #8C97E0

Accessibility & contrast

On white

7.65

#3345BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3345BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345BF

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345BF	#FFFFFF	#000000	##FFFFFF
##3345BF	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)

#005AC3

Deuteranopia (green-blind)

#004DBD

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3345bf;
/* rgb */ color: rgb(51, 69, 191);
/* oklch */ color: oklch(45.7% 0.190 270.3);

Tailwind

colors: {
  custom: {
    50: '#7f78d3',
    500: '#3345bf',
    950: '#000000',
  },
}

SCSS

$custom: #3345bf;
$custom-light: #7f78d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3345bf",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 191
  },
  "hsl": {
    "h": 232.286,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45742,
    "c": 0.19047,
    "h": 270.3
  },
  "luminance": 0.08722
}

Semantic roles & 50–950 ramp

primary

#3345BF

secondary

#CBC183

accent

#CD47E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3345BF

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

Preview Lab → · Contrast checker → · Palette generator →