#345CA5#345CA5

#345CA5 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.126 H 261.3°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#345CA5
RGB	rgb(52, 92, 165)
HSL	hsl(219, 52%, 43%)
HSV	hsv(219, 68%, 65%)
CMYK	cmyk(68.5%, 44.2%, 0%, 35.3%)
CIE-LAB	lab(39.75, 10.77, -43.57)
CIE-LCH	lch(39.75, 44.88, 283.88°)
OKLab	oklab(48.4% -0.019 -0.1245)
OKLCH	oklch(48.4% 0.126 261.3)
XYZ	xyz(12.0324, 11.0998, 37.0984)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CA5 #A57D34

analogous

#3495A5 #345CA5 #4434A5

triadic

#345CA5 #A5345C #5CA534

tetradic

#345CA5 #A53495 #A57D34 #34A544

square

#345CA5 #A53495 #A57D34 #34A544

split-complementary

#345CA5 #A54434 #95A534

monochromatic

#172848 #254276 #345CA5 #4F79C7 #7D9DD6

Accessibility & contrast

On white

6.52

#345CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#345CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CA5

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CA5	#FFFFFF	#000000	##FFFFFF
##345CA5	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3963A8

Deuteranopia (green-blind)

#2659A4

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #345ca5;
/* rgb */ color: rgb(52, 92, 165);
/* oklch */ color: oklch(48.4% 0.126 261.3);

Tailwind

colors: {
  custom: {
    50: '#7889c0',
    500: '#345ca5',
    950: '#000000',
  },
}

SCSS

$custom: #345ca5;
$custom-light: #7889c0;
$custom-dark: #000000;

JSON

{
  "hex": "#345ca5",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 165
  },
  "hsl": {
    "h": 218.761,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48403,
    "c": 0.12592,
    "h": 261.3
  },
  "luminance": 0.11101
}

Semantic roles & 50–950 ramp

primary

#345CA5

secondary

#BFA576

accent

#A94CDC

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345CA5

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

Preview Lab → · Contrast checker → · Palette generator →