#342B9E#342B9E

#342B9E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.177 H 277.5°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#342B9E
RGB	rgb(52, 43, 158)
HSL	hsl(245, 57%, 39%)
HSV	hsv(245, 73%, 62%)
CMYK	cmyk(67.1%, 72.8%, 0%, 38%)
CIE-LAB	lab(26.52, 39.87, -60.82)
CIE-LCH	lch(26.52, 72.72, 303.25°)
OKLab	oklab(38.37% 0.0231 -0.1756)
OKLCH	oklch(38.37% 0.177 277.5)
XYZ	xyz(8.4496, 4.9257, 32.8466)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342B9E #959E2B

analogous

#2B5B9E #342B9E #6E2B9E

triadic

#342B9E #9E342B #2B9E34

tetradic

#342B9E #9E2B5B #959E2B #2B9E6E

square

#342B9E #9E2B5B #959E2B #2B9E6E

split-complementary

#342B9E #9E6E2B #5B9E2B

monochromatic

#14113E #241E6E #342B9E #473CCA #756CD7

Accessibility & contrast

On white

10.58

#342B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#342B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342B9E

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342B9E	#FFFFFF	#000000	##FFFFFF
##342B9E	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#003A9C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #342b9e;
/* rgb */ color: rgb(52, 43, 158);
/* oklch */ color: oklch(38.4% 0.177 277.5);

Tailwind

colors: {
  custom: {
    50: '#7a66bc',
    500: '#342b9e',
    950: '#000000',
  },
}

SCSS

$custom: #342b9e;
$custom-light: #7a66bc;
$custom-dark: #000000;

JSON

{
  "hex": "#342b9e",
  "rgb": {
    "r": 52,
    "g": 43,
    "b": 158
  },
  "hsl": {
    "h": 244.696,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38366,
    "c": 0.17715,
    "h": 277.5
  },
  "luminance": 0.04926
}

Semantic roles & 50–950 ramp

primary

#342B9E

secondary

#B7BE67

accent

#E047D4

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #342B9E

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

Preview Lab → · Contrast checker → · Palette generator →