#343E90#343E90

#343E90 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.135 H 273.5°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#343E90
RGB	rgb(52, 62, 144)
HSL	hsl(233, 47%, 38%)
HSV	hsv(233, 64%, 56%)
CMYK	cmyk(63.9%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(29.88, 22.90, -46.77)
CIE-LCH	lch(29.88, 52.07, 296.09°)
OKLab	oklab(40.45% 0.0083 -0.1343)
OKLCH	oklch(40.45% 0.135 273.5)
XYZ	xyz(8.1712, 6.1883, 27.1440)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E90 #908634

analogous

#346C90 #343E90 #583490

triadic

#343E90 #90343E #3E9034

tetradic

#343E90 #90346C #908634 #349058

square

#343E90 #90346C #908634 #349058

split-complementary

#343E90 #905834 #6C9034

monochromatic

#141736 #242B63 #343E90 #4552BC #727CCC

Accessibility & contrast

On white

9.38

#343E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#343E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E90

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E90	#FFFFFF	#000000	##FFFFFF
##343E90	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B93

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #343e90;
/* rgb */ color: rgb(52, 62, 144);
/* oklch */ color: oklch(40.4% 0.135 273.5);

Tailwind

colors: {
  custom: {
    50: '#7673b1',
    500: '#343e90',
    950: '#000000',
  },
}

SCSS

$custom: #343e90;
$custom-light: #7673b1;
$custom-dark: #000000;

JSON

{
  "hex": "#343e90",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 233.478,
    "s": 46.939,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40447,
    "c": 0.13458,
    "h": 273.5
  },
  "luminance": 0.06189
}

Semantic roles & 50–950 ramp

primary

#343E90

secondary

#B4AC6B

accent

#C851D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #343E90

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

Preview Lab → · Contrast checker → · Palette generator →