#345ECC#345ECC

#345ECC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.177 H 265.0°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#345ECC
RGB	rgb(52, 94, 204)
HSL	hsl(223, 60%, 50%)
HSV	hsv(223, 75%, 80%)
CMYK	cmyk(74.5%, 53.9%, 0%, 20%)
CIE-LAB	lab(42.90, 23.98, -61.29)
CIE-LCH	lch(42.90, 65.82, 291.37°)
OKLab	oklab(51.64% -0.0155 -0.1766)
OKLCH	oklch(51.64% 0.177 265)
XYZ	xyz(16.3141, 13.0933, 58.7825)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345ECC #CCA234

analogous

#34AACC #345ECC #5634CC

triadic

#345ECC #CC345E #5ECC34

tetradic

#345ECC #CC34AA #CCA234 #34CC56

square

#345ECC #CC34AA #CCA234 #34CC56

split-complementary

#345ECC #CC5634 #AACC34

monochromatic

#1B316B #27479C #345ECC #6585D8 #96ACE5

Accessibility & contrast

On white

5.80

#345ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#345ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345ECC

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345ECC	#FFFFFF	#000000	##FFFFFF
##345ECC	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #345ecc;
/* rgb */ color: rgb(52, 94, 204);
/* oklch */ color: oklch(51.6% 0.177 265.0);

Tailwind

colors: {
  custom: {
    50: '#808bdc',
    500: '#345ecc',
    950: '#000000',
  },
}

SCSS

$custom: #345ecc;
$custom-light: #808bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#345ecc",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 223.421,
    "s": 59.843,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51642,
    "c": 0.17728,
    "h": 265
  },
  "luminance": 0.13095
}

Semantic roles & 50–950 ramp

primary

#345ECC

secondary

#D0BD8C

accent

#B745E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345ECC

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

Preview Lab → · Contrast checker → · Palette generator →