#345DBB#345DBB

#345DBB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.155 H 263.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#345DBB
RGB	rgb(52, 93, 187)
HSL	hsl(222, 56%, 47%)
HSV	hsv(222, 72%, 73%)
CMYK	cmyk(72.2%, 50.3%, 0%, 26.7%)
CIE-LAB	lab(41.45, 18.30, -53.80)
CIE-LCH	lch(41.45, 56.82, 288.79°)
OKLab	oklab(50.16% -0.0164 -0.1545)
OKLCH	oklch(50.16% 0.155 263.9)
XYZ	xyz(14.2970, 12.1451, 48.5948)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DBB #BB9234

analogous

#34A1BB #345DBB #4F34BB

triadic

#345DBB #BB345D #5DBB34

tetradic

#345DBB #BB34A1 #BB9234 #34BB4F

square

#345DBB #BB34A1 #BB9234 #34BB4F

split-complementary

#345DBB #BB4F34 #A1BB34

monochromatic

#192D5B #27458B #345DBB #5B7FD1 #8BA4DF

Accessibility & contrast

On white

6.12

#345DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#345DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DBB

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DBB	#FFFFFF	#000000	##FFFFFF
##345DBB	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2568BE

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #345dbb;
/* rgb */ color: rgb(52, 93, 187);
/* oklch */ color: oklch(50.2% 0.155 263.9);

Tailwind

colors: {
  custom: {
    50: '#7d8ad0',
    500: '#345dbb',
    950: '#000000',
  },
}

SCSS

$custom: #345dbb;
$custom-light: #7d8ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#345dbb",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 187
  },
  "hsl": {
    "h": 221.778,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50159,
    "c": 0.15542,
    "h": 263.9
  },
  "luminance": 0.12147
}

Semantic roles & 50–950 ramp

primary

#345DBB

secondary

#C9B382

accent

#B248E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345DBB

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

Preview Lab → · Contrast checker → · Palette generator →