#345EB5#345EB5

#345EB5 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.146 H 262.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#345EB5
RGB	rgb(52, 94, 181)
HSL	hsl(220, 55%, 46%)
HSV	hsv(220, 71%, 71%)
CMYK	cmyk(71.3%, 48.1%, 0%, 29%)
CIE-LAB	lab(41.33, 15.42, -50.48)
CIE-LCH	lch(41.33, 52.78, 286.98°)
OKLab	oklab(49.94% -0.0181 -0.1448)
OKLCH	oklch(49.94% 0.146 262.9)
XYZ	xyz(13.7564, 12.0702, 45.3119)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345EB5 #B58B34

analogous

#349EB5 #345EB5 #4A34B5

triadic

#345EB5 #B5345E #5EB534

tetradic

#345EB5 #B5349E #B58B34 #34B54A

square

#345EB5 #B5349E #B58B34 #34B54A

split-complementary

#345EB5 #B54A34 #9EB534

monochromatic

#192D56 #264585 #345EB5 #577ECF #87A3DC

Accessibility & contrast

On white

6.15

#345EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#345EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345EB5

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345EB5	#FFFFFF	#000000	##FFFFFF
##345EB5	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F68B8

Deuteranopia (green-blind)

#0C5CB3

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345eb5;
/* rgb */ color: rgb(52, 94, 181);
/* oklch */ color: oklch(49.9% 0.146 262.9);

Tailwind

colors: {
  custom: {
    50: '#7b8bcc',
    500: '#345eb5',
    950: '#000000',
  },
}

SCSS

$custom: #345eb5;
$custom-light: #7b8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#345eb5",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 181
  },
  "hsl": {
    "h": 220.465,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49941,
    "c": 0.1459,
    "h": 262.9
  },
  "luminance": 0.12072
}

Semantic roles & 50–950 ramp

primary

#345EB5

secondary

#C6AF7F

accent

#AE49DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345EB5

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

Preview Lab → · Contrast checker → · Palette generator →