#345FCC#345FCC

#345FCC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.8% C 0.176 H 264.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#345FCC
RGB	rgb(52, 95, 204)
HSL	hsl(223, 60%, 50%)
HSV	hsv(223, 75%, 80%)
CMYK	cmyk(74.5%, 53.4%, 0%, 20%)
CIE-LAB	lab(43.17, 23.33, -60.86)
CIE-LCH	lch(43.17, 65.18, 290.98°)
OKLab	oklab(51.84% -0.0163 -0.1753)
OKLCH	oklch(51.84% 0.176 264.7)
XYZ	xyz(16.4036, 13.2723, 58.8123)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FCC #CCA134

analogous

#34ABCC #345FCC #5534CC

triadic

#345FCC #CC345F #5FCC34

tetradic

#345FCC #CC34AB #CCA134 #34CC55

square

#345FCC #CC34AB #CCA134 #34CC55

split-complementary

#345FCC #CC5534 #ABCC34

monochromatic

#1B316B #27489C #345FCC #6586D8 #96ACE5

Accessibility & contrast

On white

5.75

#345FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#345FCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FCC

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FCC	#FFFFFF	#000000	##FFFFFF
##345FCC	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#076DD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#007A8C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #345fcc;
/* rgb */ color: rgb(52, 95, 204);
/* oklch */ color: oklch(51.8% 0.176 264.7);

Tailwind

colors: {
  custom: {
    50: '#808bdc',
    500: '#345fcc',
    950: '#000000',
  },
}

SCSS

$custom: #345fcc;
$custom-light: #808bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#345fcc",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 204
  },
  "hsl": {
    "h": 223.026,
    "s": 59.843,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51844,
    "c": 0.17607,
    "h": 264.7
  },
  "luminance": 0.13274
}

Semantic roles & 50–950 ramp

primary

#345FCC

secondary

#D0BD8C

accent

#B645E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #345FCC

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

Preview Lab → · Contrast checker → · Palette generator →