#342A78#342A78

#342A78 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.128 H 283.3°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#342A78
RGB	rgb(52, 42, 120)
HSL	hsl(248, 48%, 32%)
HSV	hsv(248, 65%, 47%)
CMYK	cmyk(56.7%, 65%, 0%, 52.9%)
CIE-LAB	lab(22.80, 27.71, -43.26)
CIE-LCH	lch(22.80, 51.37, 302.64°)
OKLab	oklab(34.61% 0.0294 -0.1242)
OKLCH	oklch(34.61% 0.128 283.3)
XYZ	xyz(5.6333, 3.7417, 18.1910)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342A78 #6E782A

analogous

#2A4778 #342A78 #5B2A78

triadic

#342A78 #78342A #2A7834

tetradic

#342A78 #782A47 #6E782A #2A785B

square

#342A78 #782A47 #6E782A #2A785B

split-complementary

#342A78 #785B2A #47782A

monochromatic

#0D0A1D #201A4B #342A78 #483AA5 #6658C5

Accessibility & contrast

On white

12.01

#342A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#342A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342A78

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342A78	#FFFFFF	#000000	##FFFFFF
##342A78	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#163D4D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #342a78;
/* rgb */ color: rgb(52, 42, 120);
/* oklch */ color: oklch(34.6% 0.128 283.3);

Tailwind

colors: {
  custom: {
    50: '#7364a0',
    500: '#342a78',
    950: '#000000',
  },
}

SCSS

$custom: #342a78;
$custom-light: #7364a0;
$custom-dark: #000000;

JSON

{
  "hex": "#342a78",
  "rgb": {
    "r": 52,
    "g": 42,
    "b": 120
  },
  "hsl": {
    "h": 247.692,
    "s": 48.148,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34608,
    "c": 0.12759,
    "h": 283.3
  },
  "luminance": 0.03742
}

Semantic roles & 50–950 ramp

primary

#342A78

secondary

#9FAA54

accent

#D850C6

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08050F

muted

#7B7A7E

Preview Lab

Preview with #342A78

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

Preview Lab → · Contrast checker → · Palette generator →