#345BBF#345BBF

#345BBF is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.163 H 265.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#345BBF
RGB	rgb(52, 91, 191)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 73%, 75%)
CMYK	cmyk(72.8%, 52.4%, 0%, 25.1%)
CIE-LAB	lab(41.17, 21.09, -56.57)
CIE-LCH	lch(41.17, 60.37, 290.44°)
OKLab	oklab(50.04% -0.0143 -0.1627)
OKLCH	oklch(50.04% 0.163 265)
XYZ	xyz(14.5579, 11.9723, 50.8238)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BBF #BF9834

analogous

#34A1BF #345BBF #5234BF

triadic

#345BBF #BF345B #5BBF34

tetradic

#345BBF #BF34A1 #BF9834 #34BF52

square

#345BBF #BF34A1 #BF9834 #34BF52

split-complementary

#345BBF #BF5234 #A1BF34

monochromatic

#1A2D5F #27448F #345BBF #5D7ED3 #8DA5E0

Accessibility & contrast

On white

6.19

#345BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#345BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BBF

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BBF	#FFFFFF	#000000	##FFFFFF
##345BBF	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)

#1768C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345bbf;
/* rgb */ color: rgb(52, 91, 191);
/* oklch */ color: oklch(50.0% 0.163 265.0);

Tailwind

colors: {
  custom: {
    50: '#7e88d3',
    500: '#345bbf',
    950: '#000000',
  },
}

SCSS

$custom: #345bbf;
$custom-light: #7e88d3;
$custom-dark: #000000;

JSON

{
  "hex": "#345bbf",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 191
  },
  "hsl": {
    "h": 223.165,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50038,
    "c": 0.16338,
    "h": 265
  },
  "luminance": 0.11974
}

Semantic roles & 50–950 ramp

primary

#345BBF

secondary

#CAB784

accent

#B547E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345BBF

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

Preview Lab → · Contrast checker → · Palette generator →