#345FBD#345FBD

#345FBD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.7% C 0.156 H 263.4°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#345FBD
RGB	rgb(52, 95, 189)
HSL	hsl(221, 57%, 47%)
HSV	hsv(221, 72%, 74%)
CMYK	cmyk(72.5%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(42.13, 17.75, -53.85)
CIE-LCH	lch(42.13, 56.70, 288.24°)
OKLab	oklab(50.73% -0.0179 -0.1547)
OKLCH	oklch(50.73% 0.156 263.4)
XYZ	xyz(14.6904, 12.5870, 49.7896)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FBD #BD9234

analogous

#34A3BD #345FBD #4E34BD

triadic

#345FBD #BD345F #5FBD34

tetradic

#345FBD #BD34A3 #BD9234 #34BD4E

square

#345FBD #BD34A3 #BD9234 #34BD4E

split-complementary

#345FBD #BD4E34 #A3BD34

monochromatic

#1A2F5D #27478D #345FBD #5C81D2 #8CA6DF

Accessibility & contrast

On white

5.97

#345FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#345FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FBD

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FBD	#FFFFFF	#000000	##FFFFFF
##345FBD	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286AC0

Deuteranopia (green-blind)

#005EBB

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345fbd;
/* rgb */ color: rgb(52, 95, 189);
/* oklch */ color: oklch(50.7% 0.156 263.4);

Tailwind

colors: {
  custom: {
    50: '#7d8bd1',
    500: '#345fbd',
    950: '#000000',
  },
}

SCSS

$custom: #345fbd;
$custom-light: #7d8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#345fbd",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 221.168,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.50727,
    "c": 0.15571,
    "h": 263.4
  },
  "luminance": 0.12589
}

Semantic roles & 50–950 ramp

primary

#345FBD

secondary

#CAB483

accent

#B048E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #345FBD

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

Preview Lab → · Contrast checker → · Palette generator →