#345DB3#345DB3

#345DB3 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.144 H 263.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#345DB3
RGB	rgb(52, 93, 179)
HSL	hsl(221, 55%, 45%)
HSV	hsv(221, 71%, 70%)
CMYK	cmyk(70.9%, 48%, 0%, 29.8%)
CIE-LAB	lab(40.92, 15.32, -49.97)
CIE-LCH	lch(40.92, 52.26, 287.05°)
OKLab	oklab(49.58% -0.0175 -0.1433)
OKLCH	oklch(49.58% 0.144 263)
XYZ	xyz(13.4643, 11.8120, 44.2094)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DB3 #B38A34

analogous

#349CB3 #345DB3 #4B34B3

triadic

#345DB3 #B3345D #5DB334

tetradic

#345DB3 #B3349C #B38A34 #34B34B

square

#345DB3 #B3349C #B38A34 #34B34B

split-complementary

#345DB3 #B34B34 #9CB334

monochromatic

#182C54 #264484 #345DB3 #567DCE #86A1DC

Accessibility & contrast

On white

6.25

#345DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#345DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DB3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DB3	#FFFFFF	#000000	##FFFFFF
##345DB3	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F67B6

Deuteranopia (green-blind)

#0D5BB1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345db3;
/* rgb */ color: rgb(52, 93, 179);
/* oklch */ color: oklch(49.6% 0.144 263.0);

Tailwind

colors: {
  custom: {
    50: '#7b8aca',
    500: '#345db3',
    950: '#000000',
  },
}

SCSS

$custom: #345db3;
$custom-light: #7b8aca;
$custom-dark: #000000;

JSON

{
  "hex": "#345db3",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 179
  },
  "hsl": {
    "h": 220.63,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49584,
    "c": 0.14435,
    "h": 263
  },
  "luminance": 0.11813
}

Semantic roles & 50–950 ramp

primary

#345DB3

secondary

#C5AE7D

accent

#AE49DE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345DB3

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

Preview Lab → · Contrast checker → · Palette generator →