#343188#343188

#343188 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.141 H 278.6°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#343188
RGB	rgb(52, 49, 136)
HSL	hsl(242, 47%, 36%)
HSV	hsv(242, 64%, 53%)
CMYK	cmyk(61.8%, 64%, 0%, 46.7%)
CIE-LAB	lab(25.87, 28.66, -48.33)
CIE-LCH	lch(25.87, 56.19, 300.67°)
OKLab	oklab(37.28% 0.0211 -0.139)
OKLCH	oklch(37.28% 0.141 278.6)
XYZ	xyz(6.9570, 4.7038, 23.8291)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343188 #858831

analogous

#315A88 #343188 #603188

triadic

#343188 #883431 #318834

tetradic

#343188 #88315A #858831 #318860

square

#343188 #88315A #858831 #318860

split-complementary

#343188 #886031 #5A8831

monochromatic

#12112E #23215B #343188 #4541B5 #6D6AC9

Accessibility & contrast

On white

10.82

#343188 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#343188 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343188

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343188	#FFFFFF	#000000	##FFFFFF
##343188	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #343188;
/* rgb */ color: rgb(52, 49, 136);
/* oklch */ color: oklch(37.3% 0.141 278.6);

Tailwind

colors: {
  custom: {
    50: '#7569ab',
    500: '#343188',
    950: '#000000',
  },
}

SCSS

$custom: #343188;
$custom-light: #7569ab;
$custom-dark: #000000;

JSON

{
  "hex": "#343188",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 136
  },
  "hsl": {
    "h": 242.069,
    "s": 47.027,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37278,
    "c": 0.14063,
    "h": 278.6
  },
  "luminance": 0.04704
}

Semantic roles & 50–950 ramp

primary

#343188

secondary

#AEB164

accent

#D751D2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #343188

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

Preview Lab → · Contrast checker → · Palette generator →