#343AAE#343AAE

#343AAE is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.3% C 0.181 H 273.4°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#343AAE
RGB	rgb(52, 58, 174)
HSL	hsl(237, 54%, 44%)
HSV	hsv(237, 70%, 68%)
CMYK	cmyk(70.1%, 66.7%, 0%, 31.8%)
CIE-LAB	lab(31.37, 36.23, -62.50)
CIE-LCH	lch(31.37, 72.24, 300.10°)
OKLab	oklab(42.32% 0.0106 -0.1806)
OKLCH	oklch(42.32% 0.181 273.4)
XYZ	xyz(10.5667, 6.8112, 40.7940)
Luminance	0.0681 (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

#343AAE #AEA834

analogous

#3477AE #343AAE #6B34AE

triadic

#343AAE #AE343A #3AAE34

tetradic

#343AAE #AE3477 #AEA834 #34AE6B

square

#343AAE #AE3477 #AEA834 #34AE6B

split-complementary

#343AAE #AE6B34 #77AE34

monochromatic

#181B50 #262A7F #343AAE #5359CC #8387DA

Accessibility & contrast

On white

8.89

#343AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#343AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343AAE

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343AAE	#FFFFFF	#000000	##FFFFFF
##343AAE	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #343aae;
/* rgb */ color: rgb(52, 58, 174);
/* oklch */ color: oklch(42.3% 0.181 273.4);

Tailwind

colors: {
  custom: {
    50: '#7c70c7',
    500: '#343aae',
    950: '#000000',
  },
}

SCSS

$custom: #343aae;
$custom-light: #7c70c7;
$custom-dark: #000000;

JSON

{
  "hex": "#343aae",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 174
  },
  "hsl": {
    "h": 237.049,
    "s": 53.982,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42322,
    "c": 0.18087,
    "h": 273.4
  },
  "luminance": 0.06812
}

Semantic roles & 50–950 ramp

primary

#343AAE

secondary

#C3C07B

accent

#D64ADD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #343AAE

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

Preview Lab → · Contrast checker → · Palette generator →