#345CB2#345CB2

#345CB2 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.144 H 263.3°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#345CB2
RGB	rgb(52, 92, 178)
HSL	hsl(221, 55%, 45%)
HSV	hsv(221, 71%, 70%)
CMYK	cmyk(70.8%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(40.57, 15.60, -49.94)
CIE-LCH	lch(40.57, 52.32, 287.35°)
OKLab	oklab(49.3% -0.0168 -0.1432)
OKLCH	oklch(49.3% 0.144 263.3)
XYZ	xyz(13.2764, 11.5973, 43.6497)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CB2 #B28A34

analogous

#349BB2 #345CB2 #4B34B2

triadic

#345CB2 #B2345C #5CB234

tetradic

#345CB2 #B2349B #B28A34 #34B24B

square

#345CB2 #B2349B #B28A34 #34B24B

split-complementary

#345CB2 #B24B34 #9BB234

monochromatic

#182B53 #264483 #345CB2 #567CCE #85A0DB

Accessibility & contrast

On white

6.33

#345CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#345CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CB2

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CB2	#FFFFFF	#000000	##FFFFFF
##345CB2	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B5

Deuteranopia (green-blind)

#0B5AB0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345cb2;
/* rgb */ color: rgb(52, 92, 178);
/* oklch */ color: oklch(49.3% 0.144 263.3);

Tailwind

colors: {
  custom: {
    50: '#7b89ca',
    500: '#345cb2',
    950: '#000000',
  },
}

SCSS

$custom: #345cb2;
$custom-light: #7b89ca;
$custom-dark: #000000;

JSON

{
  "hex": "#345cb2",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 220.952,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49298,
    "c": 0.14419,
    "h": 263.3
  },
  "luminance": 0.11599
}

Semantic roles & 50–950 ramp

primary

#345CB2

secondary

#C5AE7D

accent

#AF4ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345CB2

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

Preview Lab → · Contrast checker → · Palette generator →