#345CB8#345CB8

#345CB8 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.153 H 264.0°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#345CB8
RGB	rgb(52, 92, 184)
HSL	hsl(222, 56%, 46%)
HSV	hsv(222, 72%, 72%)
CMYK	cmyk(71.7%, 50%, 0%, 27.8%)
CIE-LAB	lab(40.97, 17.83, -52.82)
CIE-LCH	lch(40.97, 55.75, 288.66°)
OKLab	oklab(49.73% -0.016 -0.1517)
OKLCH	oklch(49.73% 0.153 264)
XYZ	xyz(13.8920, 11.8436, 46.8920)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CB8 #B89034

analogous

#349EB8 #345CB8 #4E34B8

triadic

#345CB8 #B8345C #5CB834

tetradic

#345CB8 #B8349E #B89034 #34B84E

square

#345CB8 #B8349E #B89034 #34B84E

split-complementary

#345CB8 #B84E34 #9EB834

monochromatic

#192C59 #274488 #345CB8 #597DD0 #89A3DE

Accessibility & contrast

On white

6.23

#345CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#345CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CB8

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CB8	#FFFFFF	#000000	##FFFFFF
##345CB8	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2667BB

Deuteranopia (green-blind)

#005BB6

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345cb8;
/* rgb */ color: rgb(52, 92, 184);
/* oklch */ color: oklch(49.7% 0.153 264.0);

Tailwind

colors: {
  custom: {
    50: '#7c89ce',
    500: '#345cb8',
    950: '#000000',
  },
}

SCSS

$custom: #345cb8;
$custom-light: #7c89ce;
$custom-dark: #000000;

JSON

{
  "hex": "#345cb8",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 221.818,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49729,
    "c": 0.15253,
    "h": 264
  },
  "luminance": 0.11845
}

Semantic roles & 50–950 ramp

primary

#345CB8

secondary

#C8B280

accent

#B249DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345CB8

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

Preview Lab → · Contrast checker → · Palette generator →