#345BA4#345BA4

#345BA4 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.1% C 0.126 H 261.7°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#345BA4
RGB	rgb(52, 91, 164)
HSL	hsl(219, 52%, 42%)
HSV	hsv(219, 68%, 64%)
CMYK	cmyk(68.3%, 44.5%, 0%, 35.7%)
CIE-LAB	lab(39.40, 11.04, -43.54)
CIE-LCH	lch(39.40, 44.92, 284.23°)
OKLab	oklab(48.11% -0.0181 -0.1244)
OKLCH	oklch(48.11% 0.126 261.7)
XYZ	xyz(11.8557, 10.8914, 36.5922)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BA4 #A47D34

analogous

#3493A4 #345BA4 #4534A4

triadic

#345BA4 #A4345B #5BA434

tetradic

#345BA4 #A43493 #A47D34 #34A445

square

#345BA4 #A43493 #A47D34 #34A445

split-complementary

#345BA4 #A44534 #93A434

monochromatic

#172747 #254176 #345BA4 #4E78C7 #7D9CD6

Accessibility & contrast

On white

6.61

#345BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#345BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BA4

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BA4	#FFFFFF	#000000	##FFFFFF
##345BA4	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3862A7

Deuteranopia (green-blind)

#2458A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #345ba4;
/* rgb */ color: rgb(52, 91, 164);
/* oklch */ color: oklch(48.1% 0.126 261.7);

Tailwind

colors: {
  custom: {
    50: '#7888bf',
    500: '#345ba4',
    950: '#000000',
  },
}

SCSS

$custom: #345ba4;
$custom-light: #7888bf;
$custom-dark: #000000;

JSON

{
  "hex": "#345ba4",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 164
  },
  "hsl": {
    "h": 219.107,
    "s": 51.852,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48112,
    "c": 0.12573,
    "h": 261.7
  },
  "luminance": 0.10893
}

Semantic roles & 50–950 ramp

primary

#345BA4

secondary

#BFA575

accent

#AA4CDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345BA4

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

Preview Lab → · Contrast checker → · Palette generator →