#345FC3#345FC3

#345FC3 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.164 H 264.0°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#345FC3
RGB	rgb(52, 95, 195)
HSL	hsl(222, 58%, 48%)
HSV	hsv(222, 73%, 76%)
CMYK	cmyk(73.3%, 51.3%, 0%, 23.5%)
CIE-LAB	lab(42.54, 19.99, -56.68)
CIE-LCH	lch(42.54, 60.10, 289.42°)
OKLab	oklab(51.17% -0.0172 -0.163)
OKLCH	oklch(51.17% 0.164 264)
XYZ	xyz(15.3552, 12.8530, 53.2908)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FC3 #C39834

analogous

#34A6C3 #345FC3 #5034C3

triadic

#345FC3 #C3345F #5FC334

tetradic

#345FC3 #C334A6 #C39834 #34C350

square

#345FC3 #C334A6 #C39834 #34C350

split-complementary

#345FC3 #C35034 #A6C334

monochromatic

#1A3062 #274793 #345FC3 #6083D5 #90A8E1

Accessibility & contrast

On white

5.88

#345FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#345FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FC3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FC3	#FFFFFF	#000000	##FFFFFF
##345FC3	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6BC7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #345fc3;
/* rgb */ color: rgb(52, 95, 195);
/* oklch */ color: oklch(51.2% 0.164 264.0);

Tailwind

colors: {
  custom: {
    50: '#7e8bd6',
    500: '#345fc3',
    950: '#000000',
  },
}

SCSS

$custom: #345fc3;
$custom-light: #7e8bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#345fc3",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 195
  },
  "hsl": {
    "h": 221.958,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51166,
    "c": 0.16391,
    "h": 264
  },
  "luminance": 0.12855
}

Semantic roles & 50–950 ramp

primary

#345FC3

secondary

#CCB787

accent

#B347E1

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #345FC3

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

Preview Lab → · Contrast checker → · Palette generator →