#345CD0#345CD0

#345CD0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.185 H 265.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#345CD0
RGB	rgb(52, 92, 208)
HSL	hsl(225, 62%, 51%)
HSV	hsv(225, 75%, 82%)
CMYK	cmyk(75%, 55.8%, 0%, 18.4%)
CIE-LAB	lab(42.67, 26.75, -63.98)
CIE-LCH	lch(42.67, 69.34, 292.69°)
OKLab	oklab(51.56% -0.0138 -0.1845)
OKLCH	oklch(51.56% 0.185 265.7)
XYZ	xyz(16.6245, 12.9366, 61.2831)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CD0 #D0A834

analogous

#34AAD0 #345CD0 #5A34D0

triadic

#345CD0 #D0345C #5CD034

tetradic

#345CD0 #D034AA #D0A834 #34D05A

square

#345CD0 #D034AA #D0A834 #34D05A

split-complementary

#345CD0 #D05A34 #AAD034

monochromatic

#1A3070 #2545A1 #345CD0 #6684DC #97ACE7

Accessibility & contrast

On white

5.85

#345CD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#345CD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CD0

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CD0	#FFFFFF	#000000	##FFFFFF
##345CD0	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#005ECE

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #345cd0;
/* rgb */ color: rgb(52, 92, 208);
/* oklch */ color: oklch(51.6% 0.185 265.7);

Tailwind

colors: {
  custom: {
    50: '#8189df',
    500: '#345cd0',
    950: '#000000',
  },
}

SCSS

$custom: #345cd0;
$custom-light: #8189df;
$custom-dark: #000000;

JSON

{
  "hex": "#345cd0",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 208
  },
  "hsl": {
    "h": 224.615,
    "s": 62.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51556,
    "c": 0.18503,
    "h": 265.7
  },
  "luminance": 0.12938
}

Semantic roles & 50–950 ramp

primary

#345CD0

secondary

#D2C18D

accent

#BC42E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345CD0

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

Preview Lab → · Contrast checker → · Palette generator →