#345BD0#345BD0

#345BD0 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.186 H 266.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#345BD0
RGB	rgb(52, 91, 208)
HSL	hsl(225, 62%, 51%)
HSV	hsv(225, 75%, 82%)
CMYK	cmyk(75%, 56.2%, 0%, 18.4%)
CIE-LAB	lab(42.41, 27.39, -64.40)
CIE-LCH	lch(42.41, 69.98, 293.04°)
OKLab	oklab(51.36% -0.0131 -0.1858)
OKLCH	oklch(51.36% 0.186 266)
XYZ	xyz(16.5384, 12.7645, 61.2544)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BD0 #D0A934

analogous

#34A9D0 #345BD0 #5B34D0

triadic

#345BD0 #D0345B #5BD034

tetradic

#345BD0 #D034A9 #D0A934 #34D05B

square

#345BD0 #D034A9 #D0A934 #34D05B

split-complementary

#345BD0 #D05B34 #A9D034

monochromatic

#1A2F70 #2544A1 #345BD0 #6683DC #97ABE7

Accessibility & contrast

On white

5.91

#345BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#345BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BD0

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BD0	#FFFFFF	#000000	##FFFFFF
##345BD0	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#005DCE

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #345bd0;
/* rgb */ color: rgb(52, 91, 208);
/* oklch */ color: oklch(51.4% 0.186 266.0);

Tailwind

colors: {
  custom: {
    50: '#8188df',
    500: '#345bd0',
    950: '#000000',
  },
}

SCSS

$custom: #345bd0;
$custom-light: #8188df;
$custom-dark: #000000;

JSON

{
  "hex": "#345bd0",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 208
  },
  "hsl": {
    "h": 225,
    "s": 62.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5136,
    "c": 0.18625,
    "h": 266
  },
  "luminance": 0.12766
}

Semantic roles & 50–950 ramp

primary

#345BD0

secondary

#D2C18D

accent

#BD42E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345BD0

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

Preview Lab → · Contrast checker → · Palette generator →