#345DB9#345DB9

#345DB9 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.153 H 263.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#345DB9
RGB	rgb(52, 93, 185)
HSL	hsl(222, 56%, 46%)
HSV	hsv(222, 72%, 73%)
CMYK	cmyk(71.9%, 49.7%, 0%, 27.5%)
CIE-LAB	lab(41.31, 17.56, -52.85)
CIE-LCH	lch(41.31, 55.68, 288.38°)
OKLab	oklab(50.01% -0.0167 -0.1517)
OKLCH	oklch(50.01% 0.153 263.7)
XYZ	xyz(14.0844, 12.0601, 47.4751)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DB9 #B99034

analogous

#34A0B9 #345DB9 #4E34B9

triadic

#345DB9 #B9345D #5DB934

tetradic

#345DB9 #B934A0 #B99034 #34B94E

square

#345DB9 #B934A0 #B99034 #34B94E

split-complementary

#345DB9 #B94E34 #A0B934

monochromatic

#192D59 #274589 #345DB9 #5A7ED1 #89A3DE

Accessibility & contrast

On white

6.15

#345DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#345DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DB9

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DB9	#FFFFFF	#000000	##FFFFFF
##345DB9	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2868BC

Deuteranopia (green-blind)

#005CB7

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345db9;
/* rgb */ color: rgb(52, 93, 185);
/* oklch */ color: oklch(50.0% 0.153 263.7);

Tailwind

colors: {
  custom: {
    50: '#7c8acf',
    500: '#345db9',
    950: '#000000',
  },
}

SCSS

$custom: #345db9;
$custom-light: #7c8acf;
$custom-dark: #000000;

JSON

{
  "hex": "#345db9",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 185
  },
  "hsl": {
    "h": 221.504,
    "s": 56.118,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50013,
    "c": 0.15267,
    "h": 263.7
  },
  "luminance": 0.12062
}

Semantic roles & 50–950 ramp

primary

#345DB9

secondary

#C8B281

accent

#B148DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345DB9

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

Preview Lab → · Contrast checker → · Palette generator →