#345BBD#345BBD

#345BBD is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.9% C 0.161 H 264.8°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#345BBD
RGB	rgb(52, 91, 189)
HSL	hsl(223, 57%, 47%)
HSV	hsv(223, 72%, 74%)
CMYK	cmyk(72.5%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(41.03, 20.35, -55.63)
CIE-LCH	lch(41.03, 59.23, 290.09°)
OKLab	oklab(49.89% -0.0145 -0.16)
OKLCH	oklch(49.89% 0.161 264.8)
XYZ	xyz(14.3393, 11.8848, 49.6725)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BBD #BD9634

analogous

#349FBD #345BBD #5234BD

triadic

#345BBD #BD345B #5BBD34

tetradic

#345BBD #BD349F #BD9634 #34BD52

square

#345BBD #BD349F #BD9634 #34BD52

split-complementary

#345BBD #BD5234 #9FBD34

monochromatic

#1A2D5D #27448D #345BBD #5C7ED2 #8CA4DF

Accessibility & contrast

On white

6.22

#345BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#345BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BBD

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BBD	#FFFFFF	#000000	##FFFFFF
##345BBD	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B67C0

Deuteranopia (green-blind)

#005BBB

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345bbd;
/* rgb */ color: rgb(52, 91, 189);
/* oklch */ color: oklch(49.9% 0.161 264.8);

Tailwind

colors: {
  custom: {
    50: '#7d88d2',
    500: '#345bbd',
    950: '#000000',
  },
}

SCSS

$custom: #345bbd;
$custom-light: #7d88d2;
$custom-dark: #000000;

JSON

{
  "hex": "#345bbd",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 222.92,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49888,
    "c": 0.16065,
    "h": 264.8
  },
  "luminance": 0.11886
}

Semantic roles & 50–950 ramp

primary

#345BBD

secondary

#CAB683

accent

#B548E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345BBD

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

Preview Lab → · Contrast checker → · Palette generator →