#345AA5#345AA5

#345AA5 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.0% C 0.128 H 262.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#345AA5
RGB	rgb(52, 90, 165)
HSL	hsl(220, 52%, 43%)
HSV	hsv(220, 68%, 65%)
CMYK	cmyk(68.5%, 45.5%, 0%, 35.3%)
CIE-LAB	lab(39.17, 12.06, -44.50)
CIE-LCH	lch(39.17, 46.10, 285.17°)
OKLab	oklab(47.96% -0.017 -0.1272)
OKLCH	oklch(47.96% 0.128 262.4)
XYZ	xyz(11.8615, 10.7578, 37.0414)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AA5 #A57F34

analogous

#3493A5 #345AA5 #4634A5

triadic

#345AA5 #A5345A #5AA534

tetradic

#345AA5 #A53493 #A57F34 #34A546

square

#345AA5 #A53493 #A57F34 #34A546

split-complementary

#345AA5 #A54634 #93A534

monochromatic

#172748 #254176 #345AA5 #4F77C7 #7D9BD6

Accessibility & contrast

On white

6.66

#345AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#345AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AA5

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AA5	#FFFFFF	#000000	##FFFFFF
##345AA5	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3562A8

Deuteranopia (green-blind)

#2157A3

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #345aa5;
/* rgb */ color: rgb(52, 90, 165);
/* oklch */ color: oklch(48.0% 0.128 262.4);

Tailwind

colors: {
  custom: {
    50: '#7888c0',
    500: '#345aa5',
    950: '#000000',
  },
}

SCSS

$custom: #345aa5;
$custom-light: #7888c0;
$custom-dark: #000000;

JSON

{
  "hex": "#345aa5",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 165
  },
  "hsl": {
    "h": 219.823,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47957,
    "c": 0.12838,
    "h": 262.4
  },
  "luminance": 0.10759
}

Semantic roles & 50–950 ramp

primary

#345AA5

secondary

#BFA676

accent

#AB4CDC

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345AA5

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

Preview Lab → · Contrast checker → · Palette generator →