#345DA5#345DA5

#345DA5 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.6% C 0.125 H 260.8°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#345DA5
RGB	rgb(52, 93, 165)
HSL	hsl(218, 52%, 43%)
HSV	hsv(218, 68%, 65%)
CMYK	cmyk(68.5%, 43.6%, 0%, 35.3%)
CIE-LAB	lab(40.04, 10.12, -43.11)
CIE-LCH	lch(40.04, 44.28, 283.21°)
OKLab	oklab(48.63% -0.0199 -0.1231)
OKLCH	oklch(48.63% 0.125 260.8)
XYZ	xyz(12.1196, 11.2742, 37.1274)
Luminance	0.1128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DA5 #A57C34

analogous

#3496A5 #345DA5 #4334A5

triadic

#345DA5 #A5345D #5DA534

tetradic

#345DA5 #A53496 #A57C34 #34A543

square

#345DA5 #A53496 #A57C34 #34A543

split-complementary

#345DA5 #A54334 #96A534

monochromatic

#172948 #254376 #345DA5 #4F7BC7 #7D9ED6

Accessibility & contrast

On white

6.45

#345DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#345DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DA5

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DA5	#FFFFFF	#000000	##FFFFFF
##345DA5	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B64A8

Deuteranopia (green-blind)

#285AA4

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #345da5;
/* rgb */ color: rgb(52, 93, 165);
/* oklch */ color: oklch(48.6% 0.125 260.8);

Tailwind

colors: {
  custom: {
    50: '#788ac0',
    500: '#345da5',
    950: '#000000',
  },
}

SCSS

$custom: #345da5;
$custom-light: #788ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#345da5",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 165
  },
  "hsl": {
    "h": 218.23,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48627,
    "c": 0.12471,
    "h": 260.8
  },
  "luminance": 0.11275
}

Semantic roles & 50–950 ramp

primary

#345DA5

secondary

#BFA476

accent

#A84CDC

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345DA5

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

Preview Lab → · Contrast checker → · Palette generator →