#343CAE#343CAE

#343CAE is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.179 H 273.0°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#343CAE
RGB	rgb(52, 60, 174)
HSL	hsl(236, 54%, 44%)
HSV	hsv(236, 70%, 68%)
CMYK	cmyk(70.1%, 65.5%, 0%, 31.8%)
CIE-LAB	lab(31.85, 34.97, -61.73)
CIE-LCH	lch(31.85, 70.95, 299.53°)
OKLab	oklab(42.67% 0.0092 -0.1783)
OKLCH	oklch(42.67% 0.179 273)
XYZ	xyz(10.6695, 7.0168, 40.8283)
Luminance	0.0702 (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

#343CAE #AEA634

analogous

#3479AE #343CAE #6934AE

triadic

#343CAE #AE343C #3CAE34

tetradic

#343CAE #AE3479 #AEA634 #34AE69

square

#343CAE #AE3479 #AEA634 #34AE69

split-complementary

#343CAE #AE6934 #79AE34

monochromatic

#181C50 #262C7F #343CAE #535BCC #8388DA

Accessibility & contrast

On white

8.74

#343CAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#343CAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343CAE

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343CAE	#FFFFFF	#000000	##FFFFFF
##343CAE	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0045AC

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #343cae;
/* rgb */ color: rgb(52, 60, 174);
/* oklch */ color: oklch(42.7% 0.179 273.0);

Tailwind

colors: {
  custom: {
    50: '#7c72c7',
    500: '#343cae',
    950: '#000000',
  },
}

SCSS

$custom: #343cae;
$custom-light: #7c72c7;
$custom-dark: #000000;

JSON

{
  "hex": "#343cae",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 174
  },
  "hsl": {
    "h": 236.066,
    "s": 53.982,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42666,
    "c": 0.17853,
    "h": 273
  },
  "luminance": 0.07018
}

Semantic roles & 50–950 ramp

primary

#343CAE

secondary

#C3BE7B

accent

#D44ADD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #343CAE

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

Preview Lab → · Contrast checker → · Palette generator →