#345FBC#345FBC

#345FBC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.7% C 0.154 H 263.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#345FBC
RGB	rgb(52, 95, 188)
HSL	hsl(221, 57%, 47%)
HSV	hsv(221, 72%, 74%)
CMYK	cmyk(72.3%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(42.07, 17.38, -53.38)
CIE-LCH	lch(42.07, 56.13, 288.03°)
OKLab	oklab(50.65% -0.018 -0.1533)
OKLCH	oklch(50.65% 0.154 263.3)
XYZ	xyz(14.5823, 12.5438, 49.2199)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FBC #BC9134

analogous

#34A3BC #345FBC #4D34BC

triadic

#345FBC #BC345F #5FBC34

tetradic

#345FBC #BC34A3 #BC9134 #34BC4D

square

#345FBC #BC34A3 #BC9134 #34BC4D

split-complementary

#345FBC #BC4D34 #A3BC34

monochromatic

#192F5C #27478C #345FBC #5B81D2 #8BA6DF

Accessibility & contrast

On white

5.98

#345FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#345FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FBC

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FBC	#FFFFFF	#000000	##FFFFFF
##345FBC	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296ABF

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345fbc;
/* rgb */ color: rgb(52, 95, 188);
/* oklch */ color: oklch(50.7% 0.154 263.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#345fbc",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 221.029,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50654,
    "c": 0.15434,
    "h": 263.3
  },
  "luminance": 0.12545
}

Semantic roles & 50–950 ramp

primary

#345FBC

secondary

#C9B383

accent

#B048E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #345FBC

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

Preview Lab → · Contrast checker → · Palette generator →