#345AA8#345AA8

#345AA8 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.133 H 262.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#345AA8
RGB	rgb(52, 90, 168)
HSL	hsl(220, 53%, 43%)
HSV	hsv(220, 69%, 66%)
CMYK	cmyk(69%, 46.4%, 0%, 34.1%)
CIE-LAB	lab(39.36, 13.18, -45.98)
CIE-LCH	lch(39.36, 47.83, 285.99°)
OKLab	oklab(48.16% -0.0165 -0.1316)
OKLCH	oklch(48.16% 0.133 262.9)
XYZ	xyz(12.1377, 10.8683, 38.4963)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AA8 #A88234

analogous

#3494A8 #345AA8 #4834A8

triadic

#345AA8 #A8345A #5AA834

tetradic

#345AA8 #A83494 #A88234 #34A848

square

#345AA8 #A83494 #A88234 #34A848

split-complementary

#345AA8 #A84834 #94A834

monochromatic

#17284B #264179 #345AA8 #5078C9 #7F9CD7

Accessibility & contrast

On white

6.62

#345AA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#345AA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AA8

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AA8	#FFFFFF	#000000	##FFFFFF
##345AA8	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3362AB

Deuteranopia (green-blind)

#1C58A6

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #345aa8;
/* rgb */ color: rgb(52, 90, 168);
/* oklch */ color: oklch(48.2% 0.133 262.9);

Tailwind

colors: {
  custom: {
    50: '#7988c2',
    500: '#345aa8',
    950: '#000000',
  },
}

SCSS

$custom: #345aa8;
$custom-light: #7988c2;
$custom-dark: #000000;

JSON

{
  "hex": "#345aa8",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 168
  },
  "hsl": {
    "h": 220.345,
    "s": 52.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48163,
    "c": 0.13263,
    "h": 262.9
  },
  "luminance": 0.1087
}

Semantic roles & 50–950 ramp

primary

#345AA8

secondary

#C0A977

accent

#AD4CDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345AA8

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

Preview Lab → · Contrast checker → · Palette generator →