#345FA5#345FA5

#345FA5 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.122 H 259.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#345FA5
RGB	rgb(52, 95, 165)
HSL	hsl(217, 52%, 43%)
HSV	hsv(217, 68%, 65%)
CMYK	cmyk(68.5%, 42.4%, 0%, 35.3%)
CIE-LAB	lab(40.62, 8.83, -42.18)
CIE-LCH	lch(40.62, 43.09, 281.82°)
OKLab	oklab(49.08% -0.0219 -0.1203)
OKLCH	oklch(49.08% 0.122 259.7)
XYZ	xyz(12.2975, 11.6299, 37.1867)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FA5 #A57A34

analogous

#3498A5 #345FA5 #4134A5

triadic

#345FA5 #A5345F #5FA534

tetradic

#345FA5 #A53498 #A57A34 #34A541

square

#345FA5 #A53498 #A57A34 #34A541

split-complementary

#345FA5 #A54134 #98A534

monochromatic

#172948 #254476 #345FA5 #4F7DC7 #7D9FD6

Accessibility & contrast

On white

6.31

#345FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#345FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FA5

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FA5	#FFFFFF	#000000	##FFFFFF
##345FA5	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E65A8

Deuteranopia (green-blind)

#2C5BA4

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345fa5;
/* rgb */ color: rgb(52, 95, 165);
/* oklch */ color: oklch(49.1% 0.122 259.7);

Tailwind

colors: {
  custom: {
    50: '#788bc0',
    500: '#345fa5',
    950: '#000000',
  },
}

SCSS

$custom: #345fa5;
$custom-light: #788bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#345fa5",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 165
  },
  "hsl": {
    "h": 217.168,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49078,
    "c": 0.12233,
    "h": 259.7
  },
  "luminance": 0.11631
}

Semantic roles & 50–950 ramp

primary

#345FA5

secondary

#BFA376

accent

#A54CDC

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #345FA5

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

Preview Lab → · Contrast checker → · Palette generator →