#343099#343099

#343099 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.7% C 0.165 H 277.1°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#343099
RGB	rgb(52, 48, 153)
HSL	hsl(242, 52%, 39%)
HSV	hsv(242, 69%, 60%)
CMYK	cmyk(66%, 68.6%, 0%, 40%)
CIE-LAB	lab(27.14, 35.18, -56.76)
CIE-LCH	lch(27.14, 66.77, 301.79°)
OKLab	oklab(38.66% 0.0203 -0.1637)
OKLCH	oklch(38.66% 0.165 277.1)
XYZ	xyz(8.2210, 5.1432, 30.6903)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343099 #959930

analogous

#306199 #343099 #693099

triadic

#343099 #993430 #309934

tetradic

#343099 #993061 #959930 #309969

square

#343099 #993061 #959930 #309969

split-complementary

#343099 #996930 #619930

monochromatic

#14133C #24216A #343099 #4742C4 #7571D2

Accessibility & contrast

On white

10.35

#343099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#343099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343099

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343099	#FFFFFF	#000000	##FFFFFF
##343099	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #343099;
/* rgb */ color: rgb(52, 48, 153);
/* oklch */ color: oklch(38.7% 0.165 277.1);

Tailwind

colors: {
  custom: {
    50: '#7969b8',
    500: '#343099',
    950: '#000000',
  },
}

SCSS

$custom: #343099;
$custom-light: #7969b8;
$custom-dark: #000000;

JSON

{
  "hex": "#343099",
  "rgb": {
    "r": 52,
    "g": 48,
    "b": 153
  },
  "hsl": {
    "h": 242.286,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38663,
    "c": 0.165,
    "h": 277.1
  },
  "luminance": 0.05144
}

Semantic roles & 50–950 ramp

primary

#343099

secondary

#B7BA6B

accent

#DC4CD6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #343099

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

Preview Lab → · Contrast checker → · Palette generator →