#343BB6#343BB6

#343BB6 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.2% C 0.190 H 272.8°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#343BB6
RGB	rgb(52, 59, 182)
HSL	hsl(237, 56%, 46%)
HSV	hsv(237, 71%, 71%)
CMYK	cmyk(71.4%, 67.6%, 0%, 28.6%)
CIE-LAB	lab(32.33, 38.39, -65.69)
CIE-LCH	lch(32.33, 76.08, 300.31°)
OKLab	oklab(43.24% 0.0092 -0.1899)
OKLCH	oklch(43.24% 0.19 272.8)
XYZ	xyz(11.4208, 7.2343, 45.0414)
Luminance	0.0723 (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

#343BB6 #B6AF34

analogous

#347CB6 #343BB6 #6E34B6

triadic

#343BB6 #B6343B #3BB634

tetradic

#343BB6 #B6347C #B6AF34 #34B66E

square

#343BB6 #B6347C #B6AF34 #34B66E

split-complementary

#343BB6 #B66E34 #7CB634

monochromatic

#191C57 #262C86 #343BB6 #585ECF #888CDD

Accessibility & contrast

On white

8.58

#343BB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#343BB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BB6

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BB6	#FFFFFF	#000000	##FFFFFF
##343BB6	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BA

Deuteranopia (green-blind)

#0046B4

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #343bb6;
/* rgb */ color: rgb(52, 59, 182);
/* oklch */ color: oklch(43.2% 0.190 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e71cd',
    500: '#343bb6',
    950: '#000000',
  },
}

SCSS

$custom: #343bb6;
$custom-light: #7e71cd;
$custom-dark: #000000;

JSON

{
  "hex": "#343bb6",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 182
  },
  "hsl": {
    "h": 236.769,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43244,
    "c": 0.19009,
    "h": 272.8
  },
  "luminance": 0.07235
}

Semantic roles & 50–950 ramp

primary

#343BB6

secondary

#C7C37F

accent

#D749DF

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #343BB6

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

Preview Lab → · Contrast checker → · Palette generator →