#3450BB#3450BB

#3450BB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.172 H 268.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3450BB
RGB	rgb(52, 80, 187)
HSL	hsl(228, 56%, 47%)
HSV	hsv(228, 72%, 73%)
CMYK	cmyk(72.2%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(37.94, 26.77, -59.48)
CIE-LCH	lch(37.94, 65.22, 294.23°)
OKLab	oklab(47.51% -0.0058 -0.1715)
OKLCH	oklch(47.51% 0.172 268)
XYZ	xyz(13.2514, 10.0539, 48.2463)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3450BB #BB9F34

analogous

#3493BB #3450BB #5C34BB

triadic

#3450BB #BB3450 #50BB34

tetradic

#3450BB #BB3493 #BB9F34 #34BB5C

square

#3450BB #BB3493 #BB9F34 #34BB5C

split-complementary

#3450BB #BB5C34 #93BB34

monochromatic

#19275B #273C8B #3450BB #5B73D1 #8B9CDF

Accessibility & contrast

On white

6.97

#3450BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3450BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3450BB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3450BB	#FFFFFF	#000000	##FFFFFF
##3450BB	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3450bb;
/* rgb */ color: rgb(52, 80, 187);
/* oklch */ color: oklch(47.5% 0.172 268.0);

Tailwind

colors: {
  custom: {
    50: '#7d80d0',
    500: '#3450bb',
    950: '#000000',
  },
}

SCSS

$custom: #3450bb;
$custom-light: #7d80d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3450bb",
  "rgb": {
    "r": 52,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 227.556,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.47508,
    "c": 0.17157,
    "h": 268
  },
  "luminance": 0.10055
}

Semantic roles & 50–950 ramp

primary

#3450BB

secondary

#C9BA82

accent

#C048E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3450BB

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

Preview Lab → · Contrast checker → · Palette generator →