#345CBB#345CBB

#345CBB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.157 H 264.3°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#345CBB
RGB	rgb(52, 92, 187)
HSL	hsl(222, 56%, 47%)
HSV	hsv(222, 72%, 73%)
CMYK	cmyk(72.2%, 50.8%, 0%, 26.7%)
CIE-LAB	lab(41.17, 18.95, -54.24)
CIE-LCH	lch(41.17, 57.46, 289.26°)
OKLab	oklab(49.95% -0.0156 -0.1559)
OKLCH	oklch(49.95% 0.157 264.3)
XYZ	xyz(14.2098, 11.9707, 48.5658)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CBB #BB9334

analogous

#34A0BB #345CBB #5034BB

triadic

#345CBB #BB345C #5CBB34

tetradic

#345CBB #BB34A0 #BB9334 #34BB50

square

#345CBB #BB34A0 #BB9334 #34BB50

split-complementary

#345CBB #BB5034 #A0BB34

monochromatic

#192D5B #27448B #345CBB #5B7ED1 #8BA4DF

Accessibility & contrast

On white

6.19

#345CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#345CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CBB

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CBB	#FFFFFF	#000000	##FFFFFF
##345CBB	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2268BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345cbb;
/* rgb */ color: rgb(52, 92, 187);
/* oklch */ color: oklch(49.9% 0.157 264.3);

Tailwind

colors: {
  custom: {
    50: '#7d89d0',
    500: '#345cbb',
    950: '#000000',
  },
}

SCSS

$custom: #345cbb;
$custom-light: #7d89d0;
$custom-dark: #000000;

JSON

{
  "hex": "#345cbb",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 222.222,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49948,
    "c": 0.15666,
    "h": 264.3
  },
  "luminance": 0.11972
}

Semantic roles & 50–950 ramp

primary

#345CBB

secondary

#C9B482

accent

#B348E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345CBB

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

Preview Lab → · Contrast checker → · Palette generator →