#345DB8#345DB8

#345DB8 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.151 H 263.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#345DB8
RGB	rgb(52, 93, 184)
HSL	hsl(221, 56%, 46%)
HSV	hsv(221, 72%, 72%)
CMYK	cmyk(71.7%, 49.5%, 0%, 27.8%)
CIE-LAB	lab(41.24, 17.18, -52.37)
CIE-LCH	lch(41.24, 55.12, 288.17°)
OKLab	oklab(49.94% -0.0168 -0.1504)
OKLCH	oklch(49.94% 0.151 263.6)
XYZ	xyz(13.9792, 12.0180, 46.9211)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DB8 #B88F34

analogous

#349FB8 #345DB8 #4D34B8

triadic

#345DB8 #B8345D #5DB834

tetradic

#345DB8 #B8349F #B88F34 #34B84D

square

#345DB8 #B8349F #B88F34 #34B84D

split-complementary

#345DB8 #B84D34 #9FB834

monochromatic

#192D59 #274588 #345DB8 #597ED0 #89A3DE

Accessibility & contrast

On white

6.17

#345DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#345DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DB8

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DB8	#FFFFFF	#000000	##FFFFFF
##345DB8	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2968BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345db8;
/* rgb */ color: rgb(52, 93, 184);
/* oklch */ color: oklch(49.9% 0.151 263.6);

Tailwind

colors: {
  custom: {
    50: '#7c8ace',
    500: '#345db8',
    950: '#000000',
  },
}

SCSS

$custom: #345db8;
$custom-light: #7c8ace;
$custom-dark: #000000;

JSON

{
  "hex": "#345db8",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 184
  },
  "hsl": {
    "h": 221.364,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49941,
    "c": 0.15129,
    "h": 263.6
  },
  "luminance": 0.12019
}

Semantic roles & 50–950 ramp

primary

#345DB8

secondary

#C8B180

accent

#B049DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345DB8

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

Preview Lab → · Contrast checker → · Palette generator →