#345FA4#345FA4

#345FA4 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.0% C 0.121 H 259.5°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#345FA4
RGB	rgb(52, 95, 164)
HSL	hsl(217, 52%, 42%)
HSV	hsv(217, 68%, 64%)
CMYK	cmyk(68.3%, 42.1%, 0%, 35.7%)
CIE-LAB	lab(40.56, 8.46, -41.68)
CIE-LCH	lch(40.56, 42.53, 281.48°)
OKLab	oklab(49.01% -0.0221 -0.1189)
OKLCH	oklch(49.01% 0.121 259.5)
XYZ	xyz(12.2068, 11.5936, 36.7092)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FA4 #A47934

analogous

#3497A4 #345FA4 #4134A4

triadic

#345FA4 #A4345F #5FA434

tetradic

#345FA4 #A43497 #A47934 #34A441

square

#345FA4 #A43497 #A47934 #34A441

split-complementary

#345FA4 #A44134 #97A434

monochromatic

#172947 #254476 #345FA4 #4E7DC7 #7D9FD6

Accessibility & contrast

On white

6.33

#345FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#345FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FA4

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FA4	#FFFFFF	#000000	##FFFFFF
##345FA4	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F65A7

Deuteranopia (green-blind)

#2D5BA3

Tritanopia (blue-blind)

#006F79

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345fa4;
/* rgb */ color: rgb(52, 95, 164);
/* oklch */ color: oklch(49.0% 0.121 259.5);

Tailwind

colors: {
  custom: {
    50: '#788bbf',
    500: '#345fa4',
    950: '#000000',
  },
}

SCSS

$custom: #345fa4;
$custom-light: #788bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#345fa4",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 164
  },
  "hsl": {
    "h": 216.964,
    "s": 51.852,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49013,
    "c": 0.12092,
    "h": 259.5
  },
  "luminance": 0.11595
}

Semantic roles & 50–950 ramp

primary

#345FA4

secondary

#BFA275

accent

#A44CDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #345FA4

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

Preview Lab → · Contrast checker → · Palette generator →