#345DA4#345DA4

#345DA4 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.123 H 260.6°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#345DA4
RGB	rgb(52, 93, 164)
HSL	hsl(218, 52%, 42%)
HSV	hsv(218, 68%, 64%)
CMYK	cmyk(68.3%, 43.3%, 0%, 35.7%)
CIE-LAB	lab(39.98, 9.75, -42.61)
CIE-LCH	lch(39.98, 43.71, 282.89°)
OKLab	oklab(48.56% -0.0201 -0.1216)
OKLCH	oklch(48.56% 0.123 260.6)
XYZ	xyz(12.0290, 11.2379, 36.6500)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DA4 #A47B34

analogous

#3495A4 #345DA4 #4334A4

triadic

#345DA4 #A4345D #5DA434

tetradic

#345DA4 #A43495 #A47B34 #34A443

square

#345DA4 #A43495 #A47B34 #34A443

split-complementary

#345DA4 #A44334 #95A434

monochromatic

#172847 #254376 #345DA4 #4E7AC7 #7D9DD6

Accessibility & contrast

On white

6.47

#345DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#345DA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DA4

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DA4	#FFFFFF	#000000	##FFFFFF
##345DA4	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B64A7

Deuteranopia (green-blind)

#2959A3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #345da4;
/* rgb */ color: rgb(52, 93, 164);
/* oklch */ color: oklch(48.6% 0.123 260.6);

Tailwind

colors: {
  custom: {
    50: '#788abf',
    500: '#345da4',
    950: '#000000',
  },
}

SCSS

$custom: #345da4;
$custom-light: #788abf;
$custom-dark: #000000;

JSON

{
  "hex": "#345da4",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 164
  },
  "hsl": {
    "h": 218.036,
    "s": 51.852,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48561,
    "c": 0.12331,
    "h": 260.6
  },
  "luminance": 0.11239
}

Semantic roles & 50–950 ramp

primary

#345DA4

secondary

#BFA475

accent

#A74CDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345DA4

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

Preview Lab → · Contrast checker → · Palette generator →