#343EAB#343EAB

#343EAB is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.172 H 272.7°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#343EAB
RGB	rgb(52, 62, 171)
HSL	hsl(235, 53%, 44%)
HSV	hsv(235, 70%, 67%)
CMYK	cmyk(69.6%, 63.7%, 0%, 32.9%)
CIE-LAB	lab(32.07, 32.63, -59.58)
CIE-LCH	lch(32.07, 67.93, 298.71°)
OKLab	oklab(42.75% 0.008 -0.172)
OKLCH	oklch(42.75% 0.172 272.7)
XYZ	xyz(10.4870, 7.1146, 39.3408)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343EAB #ABA134

analogous

#3479AB #343EAB #6534AB

triadic

#343EAB #AB343E #3EAB34

tetradic

#343EAB #AB3479 #ABA134 #34AB65

square

#343EAB #AB3479 #ABA134 #34AB65

split-complementary

#343EAB #AB6534 #79AB34

monochromatic

#171C4D #262D7C #343EAB #525CCA #8188D9

Accessibility & contrast

On white

8.67

#343EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#343EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EAB

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EAB	#FFFFFF	#000000	##FFFFFF
##343EAB	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AE

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #343eab;
/* rgb */ color: rgb(52, 62, 171);
/* oklch */ color: oklch(42.7% 0.172 272.7);

Tailwind

colors: {
  custom: {
    50: '#7b73c5',
    500: '#343eab',
    950: '#000000',
  },
}

SCSS

$custom: #343eab;
$custom-light: #7b73c5;
$custom-dark: #000000;

JSON

{
  "hex": "#343eab",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 171
  },
  "hsl": {
    "h": 234.958,
    "s": 53.363,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42747,
    "c": 0.17215,
    "h": 272.7
  },
  "luminance": 0.07116
}

Semantic roles & 50–950 ramp

primary

#343EAB

secondary

#C2BC79

accent

#D14BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #343EAB

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

Preview Lab → · Contrast checker → · Palette generator →