#345CB0#345CB0

#345CB0 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.141 H 263.1°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#345CB0
RGB	rgb(52, 92, 176)
HSL	hsl(221, 54%, 45%)
HSV	hsv(221, 70%, 69%)
CMYK	cmyk(70.5%, 47.7%, 0%, 31%)
CIE-LAB	lab(40.44, 14.85, -48.97)
CIE-LCH	lch(40.44, 51.17, 286.87°)
OKLab	oklab(49.16% -0.0171 -0.1404)
OKLCH	oklch(49.16% 0.141 263.1)
XYZ	xyz(13.0770, 11.5176, 42.5998)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CB0 #B08834

analogous

#349AB0 #345CB0 #4A34B0

triadic

#345CB0 #B0345C #5CB034

tetradic

#345CB0 #B0349A #B08834 #34B04A

square

#345CB0 #B0349A #B08834 #34B04A

split-complementary

#345CB0 #B04A34 #9AB034

monochromatic

#182B52 #264381 #345CB0 #557BCD #84A0DB

Accessibility & contrast

On white

6.36

#345CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#345CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CB0

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CB0	#FFFFFF	#000000	##FFFFFF
##345CB0	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F65B3

Deuteranopia (green-blind)

#115AAE

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345cb0;
/* rgb */ color: rgb(52, 92, 176);
/* oklch */ color: oklch(49.2% 0.141 263.1);

Tailwind

colors: {
  custom: {
    50: '#7b89c8',
    500: '#345cb0',
    950: '#000000',
  },
}

SCSS

$custom: #345cb0;
$custom-light: #7b89c8;
$custom-dark: #000000;

JSON

{
  "hex": "#345cb0",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 220.645,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49156,
    "c": 0.1414,
    "h": 263.1
  },
  "luminance": 0.11519
}

Semantic roles & 50–950 ramp

primary

#345CB0

secondary

#C4AD7C

accent

#AE4ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #345CB0

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

Preview Lab → · Contrast checker → · Palette generator →