#342F8D#342F8D

#342F8D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.150 H 278.6°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#342F8D
RGB	rgb(52, 47, 141)
HSL	hsl(243, 50%, 37%)
HSV	hsv(243, 67%, 55%)
CMYK	cmyk(63.1%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(25.82, 31.68, -51.53)
CIE-LCH	lch(25.82, 60.49, 301.59°)
OKLab	oklab(37.37% 0.0225 -0.1484)
OKLCH	oklch(37.37% 0.15 278.6)
XYZ	xyz(7.2389, 4.6856, 25.7171)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F8D #888D2F

analogous

#2F598D #342F8D #632F8D

triadic

#342F8D #8D342F #2F8D34

tetradic

#342F8D #8D2F59 #888D2F #2F8D63

square

#342F8D #8D2F59 #888D2F #2F8D63

split-complementary

#342F8D #8D632F #598D2F

monochromatic

#121031 #23205F #342F8D #453EBB #6F69CD

Accessibility & contrast

On white

10.84

#342F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#342F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F8D

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F8D	#FFFFFF	#000000	##FFFFFF
##342F8D	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #342f8d;
/* rgb */ color: rgb(52, 47, 141);
/* oklch */ color: oklch(37.4% 0.150 278.6);

Tailwind

colors: {
  custom: {
    50: '#7668af',
    500: '#342f8d',
    950: '#000000',
  },
}

SCSS

$custom: #342f8d;
$custom-light: #7668af;
$custom-dark: #000000;

JSON

{
  "hex": "#342f8d",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 243.191,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37373,
    "c": 0.15013,
    "h": 278.6
  },
  "luminance": 0.04686
}

Semantic roles & 50–950 ramp

primary

#342F8D

secondary

#B0B464

accent

#DA4ED2

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #342F8D

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

Preview Lab → · Contrast checker → · Palette generator →