#343E98#343E98

#343E98 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.146 H 273.3°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#343E98
RGB	rgb(52, 62, 152)
HSL	hsl(234, 49%, 40%)
HSV	hsv(234, 66%, 60%)
CMYK	cmyk(65.8%, 59.2%, 0%, 40.4%)
CIE-LAB	lab(30.50, 25.80, -50.66)
CIE-LCH	lch(30.50, 56.85, 296.99°)
OKLab	oklab(41.1% 0.0085 -0.1458)
OKLCH	oklch(41.1% 0.146 273.3)
XYZ	xyz(8.8044, 6.4415, 30.4790)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E98 #988E34

analogous

#347098 #343E98 #5C3498

triadic

#343E98 #98343E #3E9834

tetradic

#343E98 #983470 #988E34 #34985C

square

#343E98 #983470 #988E34 #34985C

split-complementary

#343E98 #985C34 #709834

monochromatic

#15193D #242B6A #343E98 #4955C1 #767FD0

Accessibility & contrast

On white

9.18

#343E98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#343E98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E98

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E98	#FFFFFF	#000000	##FFFFFF
##343E98	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9B

Deuteranopia (green-blind)

#004396

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #343e98;
/* rgb */ color: rgb(52, 62, 152);
/* oklch */ color: oklch(41.1% 0.146 273.3);

Tailwind

colors: {
  custom: {
    50: '#7773b7',
    500: '#343e98',
    950: '#000000',
  },
}

SCSS

$custom: #343e98;
$custom-light: #7773b7;
$custom-dark: #000000;

JSON

{
  "hex": "#343e98",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 152
  },
  "hsl": {
    "h": 234,
    "s": 49.02,
    "l": 40
  },
  "oklch": {
    "l": 0.41102,
    "c": 0.14602,
    "h": 273.3
  },
  "luminance": 0.06442
}

Semantic roles & 50–950 ramp

primary

#343E98

secondary

#B9B16F

accent

#CB4FD9

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #343E98

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

Preview Lab → · Contrast checker → · Palette generator →