#343BAA#343BAA

#343BAA is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.174 H 273.4°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#343BAA
RGB	rgb(52, 59, 170)
HSL	hsl(236, 53%, 44%)
HSV	hsv(236, 69%, 67%)
CMYK	cmyk(69.4%, 65.3%, 0%, 33.3%)
CIE-LAB	lab(31.25, 34.19, -60.31)
CIE-LCH	lch(31.25, 69.33, 299.55°)
OKLab	oklab(42.12% 0.0103 -0.1741)
OKLCH	oklch(42.12% 0.174 273.4)
XYZ	xyz(10.2334, 6.7593, 38.7878)
Luminance	0.0676 (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

#343BAA #AAA334

analogous

#3476AA #343BAA #6834AA

triadic

#343BAA #AA343B #3BAA34

tetradic

#343BAA #AA3476 #AAA334 #34AA68

square

#343BAA #AA3476 #AAA334 #34AA68

split-complementary

#343BAA #AA6834 #76AA34

monochromatic

#171A4C #262B7B #343BAA #5158CA #8085D8

Accessibility & contrast

On white

8.93

#343BAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#343BAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BAA

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BAA	#FFFFFF	#000000	##FFFFFF
##343BAA	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAE

Deuteranopia (green-blind)

#0044A8

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #343baa;
/* rgb */ color: rgb(52, 59, 170);
/* oklch */ color: oklch(42.1% 0.174 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b71c4',
    500: '#343baa',
    950: '#000000',
  },
}

SCSS

$custom: #343baa;
$custom-light: #7b71c4;
$custom-dark: #000000;

JSON

{
  "hex": "#343baa",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 170
  },
  "hsl": {
    "h": 236.441,
    "s": 53.153,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42124,
    "c": 0.17442,
    "h": 273.4
  },
  "luminance": 0.0676
}

Semantic roles & 50–950 ramp

primary

#343BAA

secondary

#C1BD78

accent

#D44BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #343BAA

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

Preview Lab → · Contrast checker → · Palette generator →