#345FA3#345FA3

#345FA3 is a mid, moderate blue. Relative luminance 0.116; OKLCH L 48.9% C 0.120 H 259.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#345FA3
RGB	rgb(52, 95, 163)
HSL	hsl(217, 52%, 42%)
HSV	hsv(217, 68%, 64%)
CMYK	cmyk(68.1%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(40.50, 8.09, -41.18)
CIE-LCH	lch(40.50, 41.96, 281.12°)
OKLab	oklab(48.95% -0.0224 -0.1174)
OKLCH	oklch(48.95% 0.12 259.2)
XYZ	xyz(12.1169, 11.5576, 36.2355)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FA3 #A37834

analogous

#3497A3 #345FA3 #4134A3

triadic

#345FA3 #A3345F #5FA334

tetradic

#345FA3 #A33497 #A37834 #34A341

square

#345FA3 #A33497 #A37834 #34A341

split-complementary

#345FA3 #A34134 #97A334

monochromatic

#162946 #254475 #345FA3 #4E7DC6 #7C9FD5

Accessibility & contrast

On white

6.34

#345FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#345FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FA3

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FA3	#FFFFFF	#000000	##FFFFFF
##345FA3	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4065A6

Deuteranopia (green-blind)

#2E5BA2

Tritanopia (blue-blind)

#006F79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345fa3;
/* rgb */ color: rgb(52, 95, 163);
/* oklch */ color: oklch(48.9% 0.120 259.2);

Tailwind

colors: {
  custom: {
    50: '#788cbf',
    500: '#345fa3',
    950: '#000000',
  },
}

SCSS

$custom: #345fa3;
$custom-light: #788cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#345fa3",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 216.757,
    "s": 51.628,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48948,
    "c": 0.11952,
    "h": 259.2
  },
  "luminance": 0.11559
}

Semantic roles & 50–950 ramp

primary

#345FA3

secondary

#BEA275

accent

#A44DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #345FA3

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

Preview Lab → · Contrast checker → · Palette generator →