#342FA6#342FA6

#342FA6 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.8% C 0.183 H 276.0°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#342FA6
RGB	rgb(52, 47, 166)
HSL	hsl(243, 56%, 42%)
HSV	hsv(243, 72%, 65%)
CMYK	cmyk(68.7%, 71.7%, 0%, 34.9%)
CIE-LAB	lab(28.16, 40.19, -62.98)
CIE-LCH	lch(28.16, 74.71, 302.54°)
OKLab	oklab(39.77% 0.019 -0.182)
OKLCH	oklch(39.77% 0.183 276)
XYZ	xyz(9.3134, 5.5154, 36.6428)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342FA6 #A1A62F

analogous

#2F66A6 #342FA6 #702FA6

triadic

#342FA6 #A6342F #2FA634

tetradic

#342FA6 #A62F66 #A1A62F #2FA670

square

#342FA6 #A62F66 #A1A62F #2FA670

split-complementary

#342FA6 #A6702F #66A62F

monochromatic

#161447 #252176 #342FA6 #4D47CB #7B77D8

Accessibility & contrast

On white

9.98

#342FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#342FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FA6

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FA6	#FFFFFF	#000000	##FFFFFF
##342FA6	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AA

Deuteranopia (green-blind)

#003DA4

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #342fa6;
/* rgb */ color: rgb(52, 47, 166);
/* oklch */ color: oklch(39.8% 0.183 276.0);

Tailwind

colors: {
  custom: {
    50: '#7c69c2',
    500: '#342fa6',
    950: '#000000',
  },
}

SCSS

$custom: #342fa6;
$custom-light: #7c69c2;
$custom-dark: #000000;

JSON

{
  "hex": "#342fa6",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 166
  },
  "hsl": {
    "h": 242.521,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39771,
    "c": 0.18296,
    "h": 276
  },
  "luminance": 0.05516
}

Semantic roles & 50–950 ramp

primary

#342FA6

secondary

#BDC170

accent

#DF49D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342FA6

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

Preview Lab → · Contrast checker → · Palette generator →