#345CB9#345CB9

#345CB9 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.154 H 264.1°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#345CB9
RGB	rgb(52, 92, 185)
HSL	hsl(222, 56%, 46%)
HSV	hsv(222, 72%, 73%)
CMYK	cmyk(71.9%, 50.3%, 0%, 27.5%)
CIE-LAB	lab(41.03, 18.20, -53.29)
CIE-LCH	lch(41.03, 56.32, 288.86°)
OKLab	oklab(49.8% -0.0158 -0.1531)
OKLCH	oklch(49.8% 0.154 264.1)
XYZ	xyz(13.9972, 11.8857, 47.4460)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CB9 #B99134

analogous

#349FB9 #345CB9 #4F34B9

triadic

#345CB9 #B9345C #5CB934

tetradic

#345CB9 #B9349F #B99134 #34B94F

square

#345CB9 #B9349F #B99134 #34B94F

split-complementary

#345CB9 #B94F34 #9FB934

monochromatic

#192C59 #274489 #345CB9 #5A7DD1 #89A3DE

Accessibility & contrast

On white

6.22

#345CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#345CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CB9

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CB9	#FFFFFF	#000000	##FFFFFF
##345CB9	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2567BC

Deuteranopia (green-blind)

#005BB7

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345cb9;
/* rgb */ color: rgb(52, 92, 185);
/* oklch */ color: oklch(49.8% 0.154 264.1);

Tailwind

colors: {
  custom: {
    50: '#7c89cf',
    500: '#345cb9',
    950: '#000000',
  },
}

SCSS

$custom: #345cb9;
$custom-light: #7c89cf;
$custom-dark: #000000;

JSON

{
  "hex": "#345cb9",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 185
  },
  "hsl": {
    "h": 221.955,
    "s": 56.118,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49801,
    "c": 0.15391,
    "h": 264.1
  },
  "luminance": 0.11887
}

Semantic roles & 50–950 ramp

primary

#345CB9

secondary

#C8B381

accent

#B248DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345CB9

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

Preview Lab → · Contrast checker → · Palette generator →