#345CB4#345CB4

#345CB4 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.147 H 263.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#345CB4
RGB	rgb(52, 92, 180)
HSL	hsl(221, 55%, 45%)
HSV	hsv(221, 71%, 71%)
CMYK	cmyk(71.1%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(40.70, 16.34, -50.90)
CIE-LCH	lch(40.70, 53.46, 287.80°)
OKLab	oklab(49.44% -0.0165 -0.1461)
OKLCH	oklch(49.44% 0.147 263.6)
XYZ	xyz(13.4786, 11.6782, 44.7149)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CB4 #B48C34

analogous

#349CB4 #345CB4 #4C34B4

triadic

#345CB4 #B4345C #5CB434

tetradic

#345CB4 #B4349C #B48C34 #34B44C

square

#345CB4 #B4349C #B48C34 #34B44C

split-complementary

#345CB4 #B44C34 #9CB434

monochromatic

#192B55 #264485 #345CB4 #577CCE #86A1DC

Accessibility & contrast

On white

6.29

#345CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#345CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CB4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CB4	#FFFFFF	#000000	##FFFFFF
##345CB4	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B7

Deuteranopia (green-blind)

#025AB2

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345cb4;
/* rgb */ color: rgb(52, 92, 180);
/* oklch */ color: oklch(49.4% 0.147 263.6);

Tailwind

colors: {
  custom: {
    50: '#7b89cb',
    500: '#345cb4',
    950: '#000000',
  },
}

SCSS

$custom: #345cb4;
$custom-light: #7b89cb;
$custom-dark: #000000;

JSON

{
  "hex": "#345cb4",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 221.25,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.4944,
    "c": 0.14698,
    "h": 263.6
  },
  "luminance": 0.1168
}

Semantic roles & 50–950 ramp

primary

#345CB4

secondary

#C6AF7E

accent

#B049DF

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345CB4

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

Preview Lab → · Contrast checker → · Palette generator →