#345AD0#345AD0

#345AD0 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.187 H 266.2°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#345AD0
RGB	rgb(52, 90, 208)
HSL	hsl(225, 62%, 51%)
HSV	hsv(225, 75%, 82%)
CMYK	cmyk(75%, 56.7%, 0%, 18.4%)
CIE-LAB	lab(42.15, 28.03, -64.83)
CIE-LCH	lch(42.15, 70.63, 293.38°)
OKLab	oklab(51.16% -0.0124 -0.187)
OKLCH	oklch(51.16% 0.187 266.2)
XYZ	xyz(16.4535, 12.5946, 61.2261)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AD0 #D0AA34

analogous

#34A8D0 #345AD0 #5C34D0

triadic

#345AD0 #D0345A #5AD034

tetradic

#345AD0 #D034A8 #D0AA34 #34D05C

square

#345AD0 #D034A8 #D0AA34 #34D05C

split-complementary

#345AD0 #D05C34 #A8D034

monochromatic

#1A2F70 #2544A1 #345AD0 #6682DC #97ABE7

Accessibility & contrast

On white

5.97

#345AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#345AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AD0

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AD0	#FFFFFF	#000000	##FFFFFF
##345AD0	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005DCE

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345ad0;
/* rgb */ color: rgb(52, 90, 208);
/* oklch */ color: oklch(51.2% 0.187 266.2);

Tailwind

colors: {
  custom: {
    50: '#8288df',
    500: '#345ad0',
    950: '#000000',
  },
}

SCSS

$custom: #345ad0;
$custom-light: #8288df;
$custom-dark: #000000;

JSON

{
  "hex": "#345ad0",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 208
  },
  "hsl": {
    "h": 225.385,
    "s": 62.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51164,
    "c": 0.18745,
    "h": 266.2
  },
  "luminance": 0.12596
}

Semantic roles & 50–950 ramp

primary

#345AD0

secondary

#D2C28D

accent

#BE42E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345AD0

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

Preview Lab → · Contrast checker → · Palette generator →