#345DB1#345DB1

#345DB1 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.142 H 262.8°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#345DB1
RGB	rgb(52, 93, 177)
HSL	hsl(220, 55%, 45%)
HSV	hsv(220, 71%, 69%)
CMYK	cmyk(70.6%, 47.5%, 0%, 30.6%)
CIE-LAB	lab(40.79, 14.57, -49.00)
CIE-LCH	lch(40.79, 51.12, 286.57°)
OKLab	oklab(49.44% -0.0178 -0.1404)
OKLCH	oklch(49.44% 0.142 262.8)
XYZ	xyz(13.2635, 11.7317, 43.1519)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DB1 #B18834

analogous

#349CB1 #345DB1 #4A34B1

triadic

#345DB1 #B1345D #5DB134

tetradic

#345DB1 #B1349C #B18834 #34B14A

square

#345DB1 #B1349C #B18834 #34B14A

split-complementary

#345DB1 #B14A34 #9CB134

monochromatic

#182B52 #264482 #345DB1 #557CCD #84A1DB

Accessibility & contrast

On white

6.28

#345DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#345DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DB1

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DB1	#FFFFFF	#000000	##FFFFFF
##345DB1	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3166B4

Deuteranopia (green-blind)

#135BAF

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345db1;
/* rgb */ color: rgb(52, 93, 177);
/* oklch */ color: oklch(49.4% 0.142 262.8);

Tailwind

colors: {
  custom: {
    50: '#7b8ac9',
    500: '#345db1',
    950: '#000000',
  },
}

SCSS

$custom: #345db1;
$custom-light: #7b8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#345db1",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 177
  },
  "hsl": {
    "h": 220.32,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.14157,
    "h": 262.8
  },
  "luminance": 0.11733
}

Semantic roles & 50–950 ramp

primary

#345DB1

secondary

#C5AD7C

accent

#AD4ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #345DB1

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

Preview Lab → · Contrast checker → · Palette generator →