#345DA8#345DA8

#345DA8 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.129 H 261.4°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#345DA8
RGB	rgb(52, 93, 168)
HSL	hsl(219, 53%, 43%)
HSV	hsv(219, 69%, 66%)
CMYK	cmyk(69%, 44.6%, 0%, 34.1%)
CIE-LAB	lab(40.22, 11.23, -44.59)
CIE-LCH	lch(40.22, 45.99, 284.13°)
OKLab	oklab(48.83% -0.0194 -0.1275)
OKLCH	oklch(48.83% 0.129 261.4)
XYZ	xyz(12.3959, 11.3847, 38.5824)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DA8 #A87F34

analogous

#3497A8 #345DA8 #4534A8

triadic

#345DA8 #A8345D #5DA834

tetradic

#345DA8 #A83497 #A87F34 #34A845

square

#345DA8 #A83497 #A87F34 #34A845

split-complementary

#345DA8 #A84534 #97A834

monochromatic

#17294B #264379 #345DA8 #507BC9 #7F9ED7

Accessibility & contrast

On white

6.41

#345DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#345DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DA8

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DA8	#FFFFFF	#000000	##FFFFFF
##345DA8	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AB

Deuteranopia (green-blind)

#245AA6

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345da8;
/* rgb */ color: rgb(52, 93, 168);
/* oklch */ color: oklch(48.8% 0.129 261.4);

Tailwind

colors: {
  custom: {
    50: '#798ac2',
    500: '#345da8',
    950: '#000000',
  },
}

SCSS

$custom: #345da8;
$custom-light: #798ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#345da8",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 168
  },
  "hsl": {
    "h": 218.793,
    "s": 52.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48827,
    "c": 0.12894,
    "h": 261.4
  },
  "luminance": 0.11386
}

Semantic roles & 50–950 ramp

primary

#345DA8

secondary

#C0A777

accent

#A94CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345DA8

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

Preview Lab → · Contrast checker → · Palette generator →