#343CA0#343CA0

#343CA0 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.160 H 273.6°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#343CA0
RGB	rgb(52, 60, 160)
HSL	hsl(236, 51%, 42%)
HSV	hsv(236, 68%, 63%)
CMYK	cmyk(67.5%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(30.64, 29.99, -55.29)
CIE-LCH	lch(30.64, 62.90, 298.48°)
OKLab	oklab(41.41% 0.0101 -0.1594)
OKLCH	oklch(41.41% 0.16 273.6)
XYZ	xyz(9.3751, 6.4990, 34.0113)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343CA0 #A09834

analogous

#3472A0 #343CA0 #6234A0

triadic

#343CA0 #A0343C #3CA034

tetradic

#343CA0 #A03472 #A09834 #34A062

square

#343CA0 #A03472 #A09834 #34A062

split-complementary

#343CA0 #A06234 #72A034

monochromatic

#161944 #252B72 #343CA0 #4C55C5 #7A81D4

Accessibility & contrast

On white

9.13

#343CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#343CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343CA0

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343CA0	#FFFFFF	#000000	##FFFFFF
##343CA0	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00439E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #343ca0;
/* rgb */ color: rgb(52, 60, 160);
/* oklch */ color: oklch(41.4% 0.160 273.6);

Tailwind

colors: {
  custom: {
    50: '#7971bd',
    500: '#343ca0',
    950: '#000000',
  },
}

SCSS

$custom: #343ca0;
$custom-light: #7971bd;
$custom-dark: #000000;

JSON

{
  "hex": "#343ca0",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 235.556,
    "s": 50.943,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41407,
    "c": 0.15972,
    "h": 273.6
  },
  "luminance": 0.065
}

Semantic roles & 50–950 ramp

primary

#343CA0

secondary

#BDB773

accent

#D04DDA

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #343CA0

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

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