#345AB8#345AB8

#345AB8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.155 H 264.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#345AB8
RGB	rgb(52, 90, 184)
HSL	hsl(223, 56%, 46%)
HSV	hsv(223, 72%, 72%)
CMYK	cmyk(71.7%, 51.1%, 0%, 27.8%)
CIE-LAB	lab(40.41, 19.13, -53.71)
CIE-LCH	lch(40.41, 57.02, 289.61°)
OKLab	oklab(49.31% -0.0142 -0.1543)
OKLCH	oklch(49.31% 0.155 264.7)
XYZ	xyz(13.7210, 11.5016, 46.8350)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AB8 #B89234

analogous

#349CB8 #345AB8 #5034B8

triadic

#345AB8 #B8345A #5AB834

tetradic

#345AB8 #B8349C #B89234 #34B850

square

#345AB8 #B8349C #B89234 #34B850

split-complementary

#345AB8 #B85034 #9CB834

monochromatic

#192B59 #274388 #345AB8 #597BD0 #89A1DE

Accessibility & contrast

On white

6.36

#345AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#345AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AB8

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AB8	#FFFFFF	#000000	##FFFFFF
##345AB8	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2066BB

Deuteranopia (green-blind)

#005AB6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345ab8;
/* rgb */ color: rgb(52, 90, 184);
/* oklch */ color: oklch(49.3% 0.155 264.7);

Tailwind

colors: {
  custom: {
    50: '#7c88ce',
    500: '#345ab8',
    950: '#000000',
  },
}

SCSS

$custom: #345ab8;
$custom-light: #7c88ce;
$custom-dark: #000000;

JSON

{
  "hex": "#345ab8",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 184
  },
  "hsl": {
    "h": 222.727,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49307,
    "c": 0.155,
    "h": 264.7
  },
  "luminance": 0.11503
}

Semantic roles & 50–950 ramp

primary

#345AB8

secondary

#C8B380

accent

#B449DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345AB8

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

Preview Lab → · Contrast checker → · Palette generator →