#345BB7#345BB7

#345BB7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.152 H 264.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#345BB7
RGB	rgb(52, 91, 183)
HSL	hsl(222, 56%, 46%)
HSV	hsv(222, 72%, 72%)
CMYK	cmyk(71.6%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(40.62, 18.11, -52.79)
CIE-LCH	lch(40.62, 55.81, 288.94°)
OKLab	oklab(49.44% -0.0152 -0.1516)
OKLCH	oklch(49.44% 0.152 264.3)
XYZ	xyz(13.7015, 11.6297, 46.3132)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BB7 #B79034

analogous

#349CB7 #345BB7 #4E34B7

triadic

#345BB7 #B7345B #5BB734

tetradic

#345BB7 #B7349C #B79034 #34B74E

square

#345BB7 #B7349C #B79034 #34B74E

split-complementary

#345BB7 #B74E34 #9CB734

monochromatic

#192C58 #264387 #345BB7 #597CD0 #88A1DD

Accessibility & contrast

On white

6.31

#345BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#345BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BB7

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BB7	#FFFFFF	#000000	##FFFFFF
##345BB7	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2566BA

Deuteranopia (green-blind)

#005AB5

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345bb7;
/* rgb */ color: rgb(52, 91, 183);
/* oklch */ color: oklch(49.4% 0.152 264.3);

Tailwind

colors: {
  custom: {
    50: '#7c88cd',
    500: '#345bb7',
    950: '#000000',
  },
}

SCSS

$custom: #345bb7;
$custom-light: #7c88cd;
$custom-dark: #000000;

JSON

{
  "hex": "#345bb7",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 222.137,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49444,
    "c": 0.15238,
    "h": 264.3
  },
  "luminance": 0.11631
}

Semantic roles & 50–950 ramp

primary

#345BB7

secondary

#C7B280

accent

#B249DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345BB7

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

Preview Lab → · Contrast checker → · Palette generator →