#342EA6#342EA6

#342EA6 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.6% C 0.184 H 276.1°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#342EA6
RGB	rgb(52, 46, 166)
HSL	hsl(243, 57%, 42%)
HSV	hsv(243, 72%, 65%)
CMYK	cmyk(68.7%, 72.3%, 0%, 34.9%)
CIE-LAB	lab(27.94, 40.77, -63.33)
CIE-LCH	lch(27.94, 75.32, 302.77°)
OKLab	oklab(39.62% 0.0197 -0.183)
OKLCH	oklch(39.62% 0.184 276.1)
XYZ	xyz(9.2738, 5.4364, 36.6296)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342EA6 #A0A62E

analogous

#2E64A6 #342EA6 #702EA6

triadic

#342EA6 #A6342E #2EA634

tetradic

#342EA6 #A62E64 #A0A62E #2EA670

square

#342EA6 #A62E64 #A0A62E #2EA670

split-complementary

#342EA6 #A6702E #64A62E

monochromatic

#161346 #252176 #342EA6 #4C46CC #7A76D9

Accessibility & contrast

On white

10.06

#342EA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#342EA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342EA6

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342EA6	#FFFFFF	#000000	##FFFFFF
##342EA6	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AA

Deuteranopia (green-blind)

#003DA4

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #342ea6;
/* rgb */ color: rgb(52, 46, 166);
/* oklch */ color: oklch(39.6% 0.184 276.1);

Tailwind

colors: {
  custom: {
    50: '#7c68c2',
    500: '#342ea6',
    950: '#000000',
  },
}

SCSS

$custom: #342ea6;
$custom-light: #7c68c2;
$custom-dark: #000000;

JSON

{
  "hex": "#342ea6",
  "rgb": {
    "r": 52,
    "g": 46,
    "b": 166
  },
  "hsl": {
    "h": 243,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.3962,
    "c": 0.18404,
    "h": 276.1
  },
  "luminance": 0.05437
}

Semantic roles & 50–950 ramp

primary

#342EA6

secondary

#BDC16F

accent

#E048D8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342EA6

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

Preview Lab → · Contrast checker → · Palette generator →