#343E97#343E97

#343E97 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.145 H 273.4°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#343E97
RGB	rgb(52, 62, 151)
HSL	hsl(234, 49%, 40%)
HSV	hsv(234, 66%, 59%)
CMYK	cmyk(65.6%, 58.9%, 0%, 40.8%)
CIE-LAB	lab(30.42, 25.44, -50.18)
CIE-LCH	lch(30.42, 56.26, 296.89°)
OKLab	oklab(41.02% 0.0085 -0.1443)
OKLCH	oklch(41.02% 0.145 273.4)
XYZ	xyz(8.7229, 6.4089, 30.0495)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E97 #978D34

analogous

#347097 #343E97 #5B3497

triadic

#343E97 #97343E #3E9734

tetradic

#343E97 #973470 #978D34 #34975B

square

#343E97 #973470 #978D34 #34975B

split-complementary

#343E97 #975B34 #709734

monochromatic

#15193C #242B69 #343E97 #4854C0 #767FD0

Accessibility & contrast

On white

9.20

#343E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#343E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E97

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E97	#FFFFFF	#000000	##FFFFFF
##343E97	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004395

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #343e97;
/* rgb */ color: rgb(52, 62, 151);
/* oklch */ color: oklch(41.0% 0.145 273.4);

Tailwind

colors: {
  custom: {
    50: '#7773b6',
    500: '#343e97',
    950: '#000000',
  },
}

SCSS

$custom: #343e97;
$custom-light: #7773b6;
$custom-dark: #000000;

JSON

{
  "hex": "#343e97",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 151
  },
  "hsl": {
    "h": 233.939,
    "s": 48.768,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41019,
    "c": 0.1446,
    "h": 273.4
  },
  "luminance": 0.0641
}

Semantic roles & 50–950 ramp

primary

#343E97

secondary

#B8B16F

accent

#CB4FD8

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #343E97

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

Preview Lab → · Contrast checker → · Palette generator →