#342F8A#342F8A

#342F8A is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.146 H 279.0°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#342F8A
RGB	rgb(52, 47, 138)
HSL	hsl(243, 49%, 36%)
HSV	hsv(243, 66%, 54%)
CMYK	cmyk(62.3%, 65.9%, 0%, 45.9%)
CIE-LAB	lab(25.56, 30.65, -50.09)
CIE-LCH	lch(25.56, 58.72, 301.46°)
OKLab	oklab(37.1% 0.0228 -0.1442)
OKLCH	oklch(37.1% 0.146 279)
XYZ	xyz(7.0187, 4.5976, 24.5574)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F8A #858A2F

analogous

#2F588A #342F8A #622F8A

triadic

#342F8A #8A342F #2F8A34

tetradic

#342F8A #8A2F58 #858A2F #2F8A62

square

#342F8A #8A2F58 #858A2F #2F8A62

split-complementary

#342F8A #8A622F #588A2F

monochromatic

#12102F #231F5C #342F8A #453FB8 #6D68CC

Accessibility & contrast

On white

10.94

#342F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#342F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F8A

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F8A	#FFFFFF	#000000	##FFFFFF
##342F8A	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #342f8a;
/* rgb */ color: rgb(52, 47, 138);
/* oklch */ color: oklch(37.1% 0.146 279.0);

Tailwind

colors: {
  custom: {
    50: '#7668ad',
    500: '#342f8a',
    950: '#000000',
  },
}

SCSS

$custom: #342f8a;
$custom-light: #7668ad;
$custom-dark: #000000;

JSON

{
  "hex": "#342f8a",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 138
  },
  "hsl": {
    "h": 243.297,
    "s": 49.189,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37099,
    "c": 0.14601,
    "h": 279
  },
  "luminance": 0.04598
}

Semantic roles & 50–950 ramp

primary

#342F8A

secondary

#AEB362

accent

#D94FD1

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #342F8A

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

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