#3443BB#3443BB

#3443BB is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.187 H 271.1°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3443BB
RGB	rgb(52, 67, 187)
HSL	hsl(233, 56%, 47%)
HSV	hsv(233, 72%, 73%)
CMYK	cmyk(72.2%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(34.66, 35.15, -64.82)
CIE-LCH	lch(34.66, 73.74, 298.47°)
OKLab	oklab(45.08% 0.0036 -0.1873)
OKLCH	oklch(45.08% 0.187 271.1)
XYZ	xyz(12.3899, 8.3310, 47.9591)
Luminance	0.0833 (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

#3443BB #BBAC34

analogous

#3487BB #3443BB #6834BB

triadic

#3443BB #BB3443 #43BB34

tetradic

#3443BB #BB3487 #BBAC34 #34BB68

square

#3443BB #BB3487 #BBAC34 #34BB68

split-complementary

#3443BB #BB6834 #87BB34

monochromatic

#19215B #27328B #3443BB #5B68D1 #8B94DF

Accessibility & contrast

On white

7.88

#3443BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3443BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3443BB

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3443BB	#FFFFFF	#000000	##FFFFFF
##3443BB	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3443bb;
/* rgb */ color: rgb(52, 67, 187);
/* oklch */ color: oklch(45.1% 0.187 271.1);

Tailwind

colors: {
  custom: {
    50: '#7e77d0',
    500: '#3443bb',
    950: '#000000',
  },
}

SCSS

$custom: #3443bb;
$custom-light: #7e77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3443bb",
  "rgb": {
    "r": 52,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 233.333,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45079,
    "c": 0.18733,
    "h": 271.1
  },
  "luminance": 0.08332
}

Semantic roles & 50–950 ramp

primary

#3443BB

secondary

#C9C182

accent

#CF48E0

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3443BB

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

Preview Lab → · Contrast checker → · Palette generator →