#343A89#343A89

#343A89 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.130 H 275.4°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#343A89
RGB	rgb(52, 58, 137)
HSL	hsl(236, 45%, 37%)
HSV	hsv(236, 62%, 54%)
CMYK	cmyk(62%, 57.7%, 0%, 46.3%)
CIE-LAB	lab(28.28, 23.06, -45.04)
CIE-LCH	lch(28.28, 50.60, 297.11°)
OKLab	oklab(39.08% 0.0121 -0.1293)
OKLCH	oklch(39.08% 0.13 275.4)
XYZ	xyz(7.4431, 5.5617, 24.3434)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343A89 #898334

analogous

#346589 #343A89 #593489

triadic

#343A89 #89343A #3A8934

tetradic

#343A89 #893465 #898334 #348959

square

#343A89 #893465 #898334 #348959

split-complementary

#343A89 #895934 #658934

monochromatic

#121430 #23275D #343A89 #454DB5 #6F75C8

Accessibility & contrast

On white

9.94

#343A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#343A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343A89

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343A89	#FFFFFF	#000000	##FFFFFF
##343A89	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468C

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #343a89;
/* rgb */ color: rgb(52, 58, 137);
/* oklch */ color: oklch(39.1% 0.130 275.4);

Tailwind

colors: {
  custom: {
    50: '#7570ac',
    500: '#343a89',
    950: '#000000',
  },
}

SCSS

$custom: #343a89;
$custom-light: #7570ac;
$custom-dark: #000000;

JSON

{
  "hex": "#343a89",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 137
  },
  "hsl": {
    "h": 235.765,
    "s": 44.974,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39081,
    "c": 0.12987,
    "h": 275.4
  },
  "luminance": 0.05562
}

Semantic roles & 50–950 ramp

primary

#343A89

secondary

#B0AB68

accent

#CC53D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #343A89

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

Preview Lab → · Contrast checker → · Palette generator →