#345CC5#345CC5

#345CC5 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.170 H 265.1°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#345CC5
RGB	rgb(52, 92, 197)
HSL	hsl(223, 58%, 49%)
HSV	hsv(223, 74%, 77%)
CMYK	cmyk(73.6%, 53.3%, 0%, 22.7%)
CIE-LAB	lab(41.87, 22.67, -58.93)
CIE-LCH	lch(41.87, 63.14, 291.04°)
OKLab	oklab(50.7% -0.0146 -0.1697)
OKLCH	oklch(50.7% 0.17 265.1)
XYZ	xyz(15.3178, 12.4139, 54.4013)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CC5 #C59D34

analogous

#34A5C5 #345CC5 #5534C5

triadic

#345CC5 #C5345C #5CC534

tetradic

#345CC5 #C534A5 #C59D34 #34C555

square

#345CC5 #C534A5 #C59D34 #34C555

split-complementary

#345CC5 #C55534 #A5C534

monochromatic

#1A2F64 #274595 #345CC5 #6181D5 #91A8E2

Accessibility & contrast

On white

6.03

#345CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#345CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CC5

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CC5	#FFFFFF	#000000	##FFFFFF
##345CC5	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B6AC9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345cc5;
/* rgb */ color: rgb(52, 92, 197);
/* oklch */ color: oklch(50.7% 0.170 265.1);

Tailwind

colors: {
  custom: {
    50: '#7f89d7',
    500: '#345cc5',
    950: '#000000',
  },
}

SCSS

$custom: #345cc5;
$custom-light: #7f89d7;
$custom-dark: #000000;

JSON

{
  "hex": "#345cc5",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 197
  },
  "hsl": {
    "h": 223.448,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50699,
    "c": 0.17031,
    "h": 265.1
  },
  "luminance": 0.12416
}

Semantic roles & 50–950 ramp

primary

#345CC5

secondary

#CDBA88

accent

#B746E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345CC5

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

Preview Lab → · Contrast checker → · Palette generator →