#343BAE#343BAE

#343BAE is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.5% C 0.180 H 273.2°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#343BAE
RGB	rgb(52, 59, 174)
HSL	hsl(237, 54%, 44%)
HSV	hsv(237, 70%, 68%)
CMYK	cmyk(70.1%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(31.61, 35.60, -62.12)
CIE-LCH	lch(31.61, 71.60, 299.82°)
OKLab	oklab(42.49% 0.0099 -0.1794)
OKLCH	oklch(42.49% 0.18 273.2)
XYZ	xyz(10.6176, 6.9130, 40.8110)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343BAE #AEA734

analogous

#3478AE #343BAE #6A34AE

triadic

#343BAE #AE343B #3BAE34

tetradic

#343BAE #AE3478 #AEA734 #34AE6A

square

#343BAE #AE3478 #AEA734 #34AE6A

split-complementary

#343BAE #AE6A34 #78AE34

monochromatic

#181B50 #262B7F #343BAE #535ACC #8388DA

Accessibility & contrast

On white

8.81

#343BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#343BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BAE

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BAE	#FFFFFF	#000000	##FFFFFF
##343BAE	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B2

Deuteranopia (green-blind)

#0045AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #343bae;
/* rgb */ color: rgb(52, 59, 174);
/* oklch */ color: oklch(42.5% 0.180 273.2);

Tailwind

colors: {
  custom: {
    50: '#7c71c7',
    500: '#343bae',
    950: '#000000',
  },
}

SCSS

$custom: #343bae;
$custom-light: #7c71c7;
$custom-dark: #000000;

JSON

{
  "hex": "#343bae",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 236.557,
    "s": 53.982,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42493,
    "c": 0.17971,
    "h": 273.2
  },
  "luminance": 0.06914
}

Semantic roles & 50–950 ramp

primary

#343BAE

secondary

#C3BF7B

accent

#D54ADD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #343BAE

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

Preview Lab → · Contrast checker → · Palette generator →