#343166#343166

#343166 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.090 H 283.2°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#343166
RGB	rgb(52, 49, 102)
HSL	hsl(243, 35%, 30%)
HSV	hsv(243, 52%, 40%)
CMYK	cmyk(49%, 52%, 0%, 60%)
CIE-LAB	lab(23.29, 16.89, -30.89)
CIE-LCH	lch(23.29, 35.20, 298.67°)
OKLab	oklab(34.54% 0.0205 -0.0878)
OKLCH	oklch(34.54% 0.09 283.2)
XYZ	xyz(4.9120, 3.8858, 13.0590)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343166 #636631

analogous

#314966 #343166 #4F3166

triadic

#343166 #663431 #316634

tetradic

#343166 #663149 #636631 #31664F

square

#343166 #663149 #636631 #31664F

split-complementary

#343166 #664F31 #496631

monochromatic

#0B0A15 #1F1D3D #343166 #49458F #645FB2

Accessibility & contrast

On white

11.82

#343166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#343166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343166

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343166	#FFFFFF	#000000	##FFFFFF
##343166	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3968

Deuteranopia (green-blind)

#173665

Tritanopia (blue-blind)

#233C46

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #343166;
/* rgb */ color: rgb(52, 49, 102);
/* oklch */ color: oklch(34.5% 0.090 283.2);

Tailwind

colors: {
  custom: {
    50: '#6f6992',
    500: '#343166',
    950: '#000000',
  },
}

SCSS

$custom: #343166;
$custom-light: #6f6992;
$custom-dark: #000000;

JSON

{
  "hex": "#343166",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 243.396,
    "s": 35.099,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34541,
    "c": 0.09013,
    "h": 283.2
  },
  "luminance": 0.03886
}

Semantic roles & 50–950 ramp

primary

#343166

secondary

#94975C

accent

#CB5DC5

background

#F6F6F9

surface

#ECEBF1

border

#C7C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #343166

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

Preview Lab → · Contrast checker → · Palette generator →