#345DD1#345DD1

#345DD1 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.185 H 265.5°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#345DD1
RGB	rgb(52, 93, 209)
HSL	hsl(224, 63%, 51%)
HSV	hsv(224, 75%, 82%)
CMYK	cmyk(75.1%, 55.5%, 0%, 18%)
CIE-LAB	lab(43.00, 26.47, -64.01)
CIE-LCH	lch(43.00, 69.26, 292.47°)
OKLab	oklab(51.83% -0.0144 -0.1846)
OKLCH	oklch(51.83% 0.185 265.5)
XYZ	xyz(16.8351, 13.1603, 61.9622)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DD1 #D1A834

analogous

#34ABD1 #345DD1 #5934D1

triadic

#345DD1 #D1345D #5DD134

tetradic

#345DD1 #D134AB #D1A834 #34D159

square

#345DD1 #D134AB #D1A834 #34D159

split-complementary

#345DD1 #D15934 #ABD134

monochromatic

#1A3071 #2546A3 #345DD1 #6685DC #98ADE8

Accessibility & contrast

On white

5.78

#345DD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#345DD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DD1

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DD1	#FFFFFF	#000000	##FFFFFF
##345DD1	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD5

Deuteranopia (green-blind)

#005FCF

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #345dd1;
/* rgb */ color: rgb(52, 93, 209);
/* oklch */ color: oklch(51.8% 0.185 265.5);

Tailwind

colors: {
  custom: {
    50: '#828ae0',
    500: '#345dd1',
    950: '#000000',
  },
}

SCSS

$custom: #345dd1;
$custom-light: #828ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#345dd1",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 209
  },
  "hsl": {
    "h": 224.331,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51833,
    "c": 0.18515,
    "h": 265.5
  },
  "luminance": 0.13162
}

Semantic roles & 50–950 ramp

primary

#345DD1

secondary

#D3C18E

accent

#BB42E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345DD1

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

Preview Lab → · Contrast checker → · Palette generator →