#3343BF#3343BF

#3343BF is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.4% C 0.193 H 270.7°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3343BF
RGB	rgb(51, 67, 191)
HSL	hsl(233, 58%, 47%)
HSV	hsv(233, 73%, 75%)
CMYK	cmyk(73.3%, 64.9%, 0%, 25.1%)
CIE-LAB	lab(34.96, 36.45, -66.69)
CIE-LCH	lch(34.96, 76.00, 298.66°)
OKLab	oklab(45.39% 0.0023 -0.1928)
OKLCH	oklch(45.39% 0.193 270.7)
XYZ	xyz(12.7732, 8.4784, 50.2434)
Luminance	0.0848 (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

#3343BF #BFAF33

analogous

#3389BF #3343BF #6933BF

triadic

#3343BF #BF3343 #43BF33

tetradic

#3343BF #BF3389 #BFAF33 #33BF69

square

#3343BF #BF3389 #BFAF33 #33BF69

split-complementary

#3343BF #BF6933 #89BF33

monochromatic

#19215E #26328F #3343BF #5C69D3 #8C96E0

Accessibility & contrast

On white

7.79

#3343BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3343BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343BF

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343BF	#FFFFFF	#000000	##FFFFFF
##3343BF	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004CBD

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3343bf;
/* rgb */ color: rgb(51, 67, 191);
/* oklch */ color: oklch(45.4% 0.193 270.7);

Tailwind

colors: {
  custom: {
    50: '#7f77d3',
    500: '#3343bf',
    950: '#000000',
  },
}

SCSS

$custom: #3343bf;
$custom-light: #7f77d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3343bf",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 191
  },
  "hsl": {
    "h": 233.143,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4539,
    "c": 0.1928,
    "h": 270.7
  },
  "luminance": 0.0848
}

Semantic roles & 50–950 ramp

primary

#3343BF

secondary

#CBC283

accent

#CF47E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3343BF

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

Preview Lab → · Contrast checker → · Palette generator →