#345FB4#345FB4

#345FB4 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.143 H 262.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#345FB4
RGB	rgb(52, 95, 180)
HSL	hsl(220, 55%, 45%)
HSV	hsv(220, 71%, 71%)
CMYK	cmyk(71.1%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(41.55, 14.40, -49.54)
CIE-LCH	lch(41.55, 51.59, 286.20°)
OKLab	oklab(50.09% -0.0192 -0.142)
OKLCH	oklch(50.09% 0.143 262.3)
XYZ	xyz(13.7437, 12.2083, 44.8033)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FB4 #B48934

analogous

#349FB4 #345FB4 #4934B4

triadic

#345FB4 #B4345F #5FB434

tetradic

#345FB4 #B4349F #B48934 #34B449

square

#345FB4 #B4349F #B48934 #34B449

split-complementary

#345FB4 #B44934 #9FB434

monochromatic

#192D55 #264685 #345FB4 #577FCE #86A3DC

Accessibility & contrast

On white

6.10

#345FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#345FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FB4

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FB4	#FFFFFF	#000000	##FFFFFF
##345FB4	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3268B7

Deuteranopia (green-blind)

#145CB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #345fb4;
/* rgb */ color: rgb(52, 95, 180);
/* oklch */ color: oklch(50.1% 0.143 262.3);

Tailwind

colors: {
  custom: {
    50: '#7b8bcb',
    500: '#345fb4',
    950: '#000000',
  },
}

SCSS

$custom: #345fb4;
$custom-light: #7b8bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#345fb4",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 219.844,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.50087,
    "c": 0.14329,
    "h": 262.3
  },
  "luminance": 0.1221
}

Semantic roles & 50–950 ramp

primary

#345FB4

secondary

#C6AE7E

accent

#AC49DF

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #345FB4

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

Preview Lab → · Contrast checker → · Palette generator →