#345AA4#345AA4

#345AA4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.127 H 262.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#345AA4
RGB	rgb(52, 90, 164)
HSL	hsl(220, 52%, 42%)
HSV	hsv(220, 68%, 64%)
CMYK	cmyk(68.3%, 45.1%, 0%, 35.7%)
CIE-LAB	lab(39.11, 11.69, -44.00)
CIE-LCH	lch(39.11, 45.53, 284.88°)
OKLab	oklab(47.89% -0.0172 -0.1258)
OKLCH	oklch(47.89% 0.127 262.2)
XYZ	xyz(11.7708, 10.7216, 36.5639)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AA4 #A47E34

analogous

#3492A4 #345AA4 #4634A4

triadic

#345AA4 #A4345A #5AA434

tetradic

#345AA4 #A43492 #A47E34 #34A446

square

#345AA4 #A43492 #A47E34 #34A446

split-complementary

#345AA4 #A44634 #92A434

monochromatic

#172747 #254076 #345AA4 #4E77C7 #7D9BD6

Accessibility & contrast

On white

6.68

#345AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#345AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AA4

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AA4	#FFFFFF	#000000	##FFFFFF
##345AA4	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3662A7

Deuteranopia (green-blind)

#2257A2

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #345aa4;
/* rgb */ color: rgb(52, 90, 164);
/* oklch */ color: oklch(47.9% 0.127 262.2);

Tailwind

colors: {
  custom: {
    50: '#7888bf',
    500: '#345aa4',
    950: '#000000',
  },
}

SCSS

$custom: #345aa4;
$custom-light: #7888bf;
$custom-dark: #000000;

JSON

{
  "hex": "#345aa4",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 164
  },
  "hsl": {
    "h": 219.643,
    "s": 51.852,
    "l": 42.353
  },
  "oklch": {
    "l": 0.47889,
    "c": 0.12696,
    "h": 262.2
  },
  "luminance": 0.10723
}

Semantic roles & 50–950 ramp

primary

#345AA4

secondary

#BFA675

accent

#AB4CDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345AA4

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

Preview Lab → · Contrast checker → · Palette generator →