#345BBC#345BBC

#345BBC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.159 H 264.7°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#345BBC
RGB	rgb(52, 91, 188)
HSL	hsl(223, 57%, 47%)
HSV	hsv(223, 72%, 74%)
CMYK	cmyk(72.3%, 51.6%, 0%, 26.3%)
CIE-LAB	lab(40.96, 19.97, -55.16)
CIE-LCH	lch(40.96, 58.66, 289.90°)
OKLab	oklab(49.81% -0.0146 -0.1586)
OKLCH	oklch(49.81% 0.159 264.7)
XYZ	xyz(14.2312, 11.8416, 49.1028)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BBC #BC9534

analogous

#349FBC #345BBC #5134BC

triadic

#345BBC #BC345B #5BBC34

tetradic

#345BBC #BC349F #BC9534 #34BC51

square

#345BBC #BC349F #BC9534 #34BC51

split-complementary

#345BBC #BC5134 #9FBC34

monochromatic

#192D5C #27448C #345BBC #5B7DD2 #8BA3DF

Accessibility & contrast

On white

6.23

#345BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#345BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BBC

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BBC	#FFFFFF	#000000	##FFFFFF
##345BBC	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D67BF

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345bbc;
/* rgb */ color: rgb(52, 91, 188);
/* oklch */ color: oklch(49.8% 0.159 264.7);

Tailwind

colors: {
  custom: {
    50: '#7d88d1',
    500: '#345bbc',
    950: '#000000',
  },
}

SCSS

$custom: #345bbc;
$custom-light: #7d88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#345bbc",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 188
  },
  "hsl": {
    "h": 222.794,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49813,
    "c": 0.15927,
    "h": 264.7
  },
  "luminance": 0.11843
}

Semantic roles & 50–950 ramp

primary

#345BBC

secondary

#C9B583

accent

#B448E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345BBC

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

Preview Lab → · Contrast checker → · Palette generator →