#345AA6#345AA6

#345AA6 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.0% C 0.130 H 262.6°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#345AA6
RGB	rgb(52, 90, 166)
HSL	hsl(220, 52%, 43%)
HSV	hsv(220, 69%, 65%)
CMYK	cmyk(68.7%, 45.8%, 0%, 34.9%)
CIE-LAB	lab(39.23, 12.43, -44.99)
CIE-LCH	lch(39.23, 46.68, 285.45°)
OKLab	oklab(48.03% -0.0168 -0.1287)
OKLCH	oklch(48.03% 0.13 262.6)
XYZ	xyz(11.9528, 10.7944, 37.5226)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AA6 #A68034

analogous

#3493A6 #345AA6 #4734A6

triadic

#345AA6 #A6345A #5AA634

tetradic

#345AA6 #A63493 #A68034 #34A647

square

#345AA6 #A63493 #A68034 #34A647

split-complementary

#345AA6 #A64734 #93A634

monochromatic

#172749 #254177 #345AA6 #4F77C8 #7E9BD7

Accessibility & contrast

On white

6.65

#345AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#345AA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AA6

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AA6	#FFFFFF	#000000	##FFFFFF
##345AA6	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3462A9

Deuteranopia (green-blind)

#1F58A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #345aa6;
/* rgb */ color: rgb(52, 90, 166);
/* oklch */ color: oklch(48.0% 0.130 262.6);

Tailwind

colors: {
  custom: {
    50: '#7988c1',
    500: '#345aa6',
    950: '#000000',
  },
}

SCSS

$custom: #345aa6;
$custom-light: #7988c1;
$custom-dark: #000000;

JSON

{
  "hex": "#345aa6",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 166
  },
  "hsl": {
    "h": 220,
    "s": 52.294,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48025,
    "c": 0.12979,
    "h": 262.6
  },
  "luminance": 0.10796
}

Semantic roles & 50–950 ramp

primary

#345AA6

secondary

#C0A776

accent

#AC4CDC

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345AA6

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

Preview Lab → · Contrast checker → · Palette generator →