#345AA3#345AA3

#345AA3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.8% C 0.126 H 262.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#345AA3
RGB	rgb(52, 90, 163)
HSL	hsl(219, 52%, 42%)
HSV	hsv(219, 68%, 64%)
CMYK	cmyk(68.1%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(39.05, 11.32, -43.51)
CIE-LCH	lch(39.05, 44.95, 284.59°)
OKLab	oklab(47.82% -0.0173 -0.1243)
OKLCH	oklch(47.82% 0.126 262.1)
XYZ	xyz(11.6809, 10.6856, 36.0902)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AA3 #A37D34

analogous

#3492A3 #345AA3 #4534A3

triadic

#345AA3 #A3345A #5AA334

tetradic

#345AA3 #A33492 #A37D34 #34A345

square

#345AA3 #A33492 #A37D34 #34A345

split-complementary

#345AA3 #A34534 #92A334

monochromatic

#162746 #254075 #345AA3 #4E77C6 #7C9BD5

Accessibility & contrast

On white

6.69

#345AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#345AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AA3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AA3	#FFFFFF	#000000	##FFFFFF
##345AA3	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3761A6

Deuteranopia (green-blind)

#2357A1

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #345aa3;
/* rgb */ color: rgb(52, 90, 163);
/* oklch */ color: oklch(47.8% 0.126 262.1);

Tailwind

colors: {
  custom: {
    50: '#7888bf',
    500: '#345aa3',
    950: '#000000',
  },
}

SCSS

$custom: #345aa3;
$custom-light: #7888bf;
$custom-dark: #000000;

JSON

{
  "hex": "#345aa3",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 219.459,
    "s": 51.628,
    "l": 42.157
  },
  "oklch": {
    "l": 0.47822,
    "c": 0.12553,
    "h": 262.1
  },
  "luminance": 0.10687
}

Semantic roles & 50–950 ramp

primary

#345AA3

secondary

#BEA575

accent

#AA4DDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345AA3

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

Preview Lab → · Contrast checker → · Palette generator →