#345CD1#345CD1

#345CD1 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.186 H 265.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#345CD1
RGB	rgb(52, 92, 209)
HSL	hsl(225, 63%, 51%)
HSV	hsv(225, 75%, 82%)
CMYK	cmyk(75.1%, 56%, 0%, 18%)
CIE-LAB	lab(42.74, 27.11, -64.43)
CIE-LCH	lch(42.74, 69.90, 292.82°)
OKLab	oklab(51.64% -0.0137 -0.1858)
OKLCH	oklch(51.64% 0.186 265.8)
XYZ	xyz(16.7479, 12.9860, 61.9331)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CD1 #D1A934

analogous

#34ABD1 #345CD1 #5A34D1

triadic

#345CD1 #D1345C #5CD134

tetradic

#345CD1 #D134AB #D1A934 #34D15A

square

#345CD1 #D134AB #D1A934 #34D15A

split-complementary

#345CD1 #D15A34 #ABD134

monochromatic

#1A3071 #2545A3 #345CD1 #6684DC #98ACE8

Accessibility & contrast

On white

5.84

#345CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#345CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CD1

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CD1	#FFFFFF	#000000	##FFFFFF
##345CD1	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD5

Deuteranopia (green-blind)

#005ECF

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #345cd1;
/* rgb */ color: rgb(52, 92, 209);
/* oklch */ color: oklch(51.6% 0.186 265.8);

Tailwind

colors: {
  custom: {
    50: '#8289e0',
    500: '#345cd1',
    950: '#000000',
  },
}

SCSS

$custom: #345cd1;
$custom-light: #8289e0;
$custom-dark: #000000;

JSON

{
  "hex": "#345cd1",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 209
  },
  "hsl": {
    "h": 224.713,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51636,
    "c": 0.18636,
    "h": 265.8
  },
  "luminance": 0.12988
}

Semantic roles & 50–950 ramp

primary

#345CD1

secondary

#D3C18E

accent

#BC42E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345CD1

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

Preview Lab → · Contrast checker → · Palette generator →