#343D90#343D90

#343D90 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.136 H 273.9°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#343D90
RGB	rgb(52, 61, 144)
HSL	hsl(234, 47%, 38%)
HSV	hsv(234, 64%, 56%)
CMYK	cmyk(63.9%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(29.61, 23.57, -47.20)
CIE-LCH	lch(29.61, 52.76, 296.54°)
OKLab	oklab(40.25% 0.0093 -0.1356)
OKLCH	oklch(40.25% 0.136 273.9)
XYZ	xyz(8.1173, 6.0805, 27.1260)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343D90 #908734

analogous

#346B90 #343D90 #593490

triadic

#343D90 #90343D #3D9034

tetradic

#343D90 #90346B #908734 #349059

square

#343D90 #90346B #908734 #349059

split-complementary

#343D90 #905934 #6B9034

monochromatic

#141736 #242A63 #343D90 #4551BC #727BCC

Accessibility & contrast

On white

9.48

#343D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#343D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343D90

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343D90	#FFFFFF	#000000	##FFFFFF
##343D90	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #343d90;
/* rgb */ color: rgb(52, 61, 144);
/* oklch */ color: oklch(40.2% 0.136 273.9);

Tailwind

colors: {
  custom: {
    50: '#7672b1',
    500: '#343d90',
    950: '#000000',
  },
}

SCSS

$custom: #343d90;
$custom-light: #7672b1;
$custom-dark: #000000;

JSON

{
  "hex": "#343d90",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 234.13,
    "s": 46.939,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40247,
    "c": 0.13593,
    "h": 273.9
  },
  "luminance": 0.06081
}

Semantic roles & 50–950 ramp

primary

#343D90

secondary

#B4AD6B

accent

#CA51D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #343D90

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

Preview Lab → · Contrast checker → · Palette generator →