#345DC3#345DC3

#345DC3 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.8% C 0.166 H 264.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#345DC3
RGB	rgb(52, 93, 195)
HSL	hsl(223, 58%, 48%)
HSV	hsv(223, 73%, 76%)
CMYK	cmyk(73.3%, 52.3%, 0%, 23.5%)
CIE-LAB	lab(42.00, 21.28, -57.56)
CIE-LCH	lch(42.00, 61.37, 290.29°)
OKLab	oklab(50.75% -0.0156 -0.1656)
OKLCH	oklch(50.75% 0.166 264.6)
XYZ	xyz(15.1774, 12.4973, 53.2315)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DC3 #C39A34

analogous

#34A4C3 #345DC3 #5234C3

triadic

#345DC3 #C3345D #5DC334

tetradic

#345DC3 #C334A4 #C39A34 #34C352

square

#345DC3 #C334A4 #C39A34 #34C352

split-complementary

#345DC3 #C35234 #A4C334

monochromatic

#1A2F62 #274693 #345DC3 #6081D5 #90A7E1

Accessibility & contrast

On white

6.00

#345DC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#345DC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DC3

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DC3	#FFFFFF	#000000	##FFFFFF
##345DC3	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#176AC7

Deuteranopia (green-blind)

#005DC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345dc3;
/* rgb */ color: rgb(52, 93, 195);
/* oklch */ color: oklch(50.8% 0.166 264.6);

Tailwind

colors: {
  custom: {
    50: '#7e8ad6',
    500: '#345dc3',
    950: '#000000',
  },
}

SCSS

$custom: #345dc3;
$custom-light: #7e8ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#345dc3",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 195
  },
  "hsl": {
    "h": 222.797,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50752,
    "c": 0.16637,
    "h": 264.6
  },
  "luminance": 0.12499
}

Semantic roles & 50–950 ramp

primary

#345DC3

secondary

#CCB887

accent

#B547E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345DC3

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

Preview Lab → · Contrast checker → · Palette generator →