#345DA3#345DA3

#345DA3 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.5% C 0.122 H 260.4°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#345DA3
RGB	rgb(52, 93, 163)
HSL	hsl(218, 52%, 42%)
HSV	hsv(218, 68%, 64%)
CMYK	cmyk(68.1%, 42.9%, 0%, 36.1%)
CIE-LAB	lab(39.92, 9.38, -42.11)
CIE-LCH	lch(39.92, 43.14, 282.56°)
OKLab	oklab(48.5% -0.0203 -0.1202)
OKLCH	oklch(48.5% 0.122 260.4)
XYZ	xyz(11.9390, 11.2019, 36.1762)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DA3 #A37A34

analogous

#3495A3 #345DA3 #4334A3

triadic

#345DA3 #A3345D #5DA334

tetradic

#345DA3 #A33495 #A37A34 #34A343

square

#345DA3 #A33495 #A37A34 #34A343

split-complementary

#345DA3 #A34334 #95A334

monochromatic

#162846 #254375 #345DA3 #4E7AC6 #7C9DD5

Accessibility & contrast

On white

6.48

#345DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#345DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DA3

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DA3	#FFFFFF	#000000	##FFFFFF
##345DA3	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C64A6

Deuteranopia (green-blind)

#2A59A2

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #345da3;
/* rgb */ color: rgb(52, 93, 163);
/* oklch */ color: oklch(48.5% 0.122 260.4);

Tailwind

colors: {
  custom: {
    50: '#788abf',
    500: '#345da3',
    950: '#000000',
  },
}

SCSS

$custom: #345da3;
$custom-light: #788abf;
$custom-dark: #000000;

JSON

{
  "hex": "#345da3",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 163
  },
  "hsl": {
    "h": 217.838,
    "s": 51.628,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48495,
    "c": 0.1219,
    "h": 260.4
  },
  "luminance": 0.11203
}

Semantic roles & 50–950 ramp

primary

#345DA3

secondary

#BEA375

accent

#A64DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345DA3

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

Preview Lab → · Contrast checker → · Palette generator →