#345FB9#345FB9

#345FB9 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.150 H 262.9°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#345FB9
RGB	rgb(52, 95, 185)
HSL	hsl(221, 56%, 46%)
HSV	hsv(221, 72%, 73%)
CMYK	cmyk(71.9%, 48.6%, 0%, 27.5%)
CIE-LAB	lab(41.87, 16.26, -51.95)
CIE-LCH	lch(41.87, 54.43, 287.38°)
OKLab	oklab(50.44% -0.0184 -0.1491)
OKLCH	oklch(50.44% 0.15 262.9)
XYZ	xyz(14.2622, 12.4158, 47.5344)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FB9 #B98E34

analogous

#34A2B9 #345FB9 #4C34B9

triadic

#345FB9 #B9345F #5FB934

tetradic

#345FB9 #B934A2 #B98E34 #34B94C

square

#345FB9 #B934A2 #B98E34 #34B94C

split-complementary

#345FB9 #B94C34 #A2B934

monochromatic

#192E59 #274689 #345FB9 #5A80D1 #89A5DE

Accessibility & contrast

On white

6.03

#345FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#345FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FB9

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FB9	#FFFFFF	#000000	##FFFFFF
##345FB9	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BC

Deuteranopia (green-blind)

#025DB7

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345fb9;
/* rgb */ color: rgb(52, 95, 185);
/* oklch */ color: oklch(50.4% 0.150 262.9);

Tailwind

colors: {
  custom: {
    50: '#7c8bcf',
    500: '#345fb9',
    950: '#000000',
  },
}

SCSS

$custom: #345fb9;
$custom-light: #7c8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#345fb9",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 185
  },
  "hsl": {
    "h": 220.602,
    "s": 56.118,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50439,
    "c": 0.15021,
    "h": 262.9
  },
  "luminance": 0.12417
}

Semantic roles & 50–950 ramp

primary

#345FB9

secondary

#C8B181

accent

#AF48DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #345FB9

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

Preview Lab → · Contrast checker → · Palette generator →