#345FA9#345FA9

#345FA9 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.3% C 0.128 H 260.5°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#345FA9
RGB	rgb(52, 95, 169)
HSL	hsl(218, 53%, 43%)
HSV	hsv(218, 69%, 66%)
CMYK	cmyk(69.2%, 43.8%, 0%, 33.7%)
CIE-LAB	lab(40.86, 10.31, -44.16)
CIE-LCH	lch(40.86, 45.35, 283.14°)
OKLab	oklab(49.34% -0.0211 -0.1262)
OKLCH	oklch(49.34% 0.128 260.5)
XYZ	xyz(12.6673, 11.7778, 39.1342)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FA9 #A97E34

analogous

#3499A9 #345FA9 #4434A9

triadic

#345FA9 #A9345F #5FA934

tetradic

#345FA9 #A93499 #A97E34 #34A944

square

#345FA9 #A93499 #A97E34 #34A944

split-complementary

#345FA9 #A94434 #99A934

monochromatic

#172A4B #26457A #345FA9 #517DC9 #80A0D8

Accessibility & contrast

On white

6.26

#345FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#345FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FA9

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FA9	#FFFFFF	#000000	##FFFFFF
##345FA9	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B66AC

Deuteranopia (green-blind)

#275BA7

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345fa9;
/* rgb */ color: rgb(52, 95, 169);
/* oklch */ color: oklch(49.3% 0.128 260.5);

Tailwind

colors: {
  custom: {
    50: '#798bc3',
    500: '#345fa9',
    950: '#000000',
  },
}

SCSS

$custom: #345fa9;
$custom-light: #798bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#345fa9",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 169
  },
  "hsl": {
    "h": 217.949,
    "s": 52.941,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4934,
    "c": 0.12794,
    "h": 260.5
  },
  "luminance": 0.11779
}

Semantic roles & 50–950 ramp

primary

#345FA9

secondary

#C1A678

accent

#A74BDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #345FA9

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

Preview Lab → · Contrast checker → · Palette generator →