#342CA1#342CA1

#342CA1 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.180 H 277.0°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#342CA1
RGB	rgb(52, 44, 161)
HSL	hsl(244, 57%, 40%)
HSV	hsv(244, 73%, 63%)
CMYK	cmyk(67.7%, 72.7%, 0%, 36.9%)
CIE-LAB	lab(27.03, 40.28, -61.81)
CIE-LCH	lch(27.03, 73.78, 303.09°)
OKLab	oklab(38.82% 0.0219 -0.1785)
OKLCH	oklch(38.82% 0.18 277)
XYZ	xyz(8.7478, 5.1039, 34.2355)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342CA1 #99A12C

analogous

#2C5EA1 #342CA1 #6F2CA1

triadic

#342CA1 #A1342C #2CA134

tetradic

#342CA1 #A12C5E #99A12C #2CA16F

square

#342CA1 #A12C5E #99A12C #2CA16F

split-complementary

#342CA1 #A16F2C #5EA12C

monochromatic

#151241 #241F71 #342CA1 #4940CB #7770D8

Accessibility & contrast

On white

10.39

#342CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#342CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342CA1

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342CA1	#FFFFFF	#000000	##FFFFFF
##342CA1	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A4

Deuteranopia (green-blind)

#003B9F

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #342ca1;
/* rgb */ color: rgb(52, 44, 161);
/* oklch */ color: oklch(38.8% 0.180 277.0);

Tailwind

colors: {
  custom: {
    50: '#7b67be',
    500: '#342ca1',
    950: '#000000',
  },
}

SCSS

$custom: #342ca1;
$custom-light: #7b67be;
$custom-dark: #000000;

JSON

{
  "hex": "#342ca1",
  "rgb": {
    "r": 52,
    "g": 44,
    "b": 161
  },
  "hsl": {
    "h": 244.103,
    "s": 57.073,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38817,
    "c": 0.17987,
    "h": 277
  },
  "luminance": 0.05105
}

Semantic roles & 50–950 ramp

primary

#342CA1

secondary

#B9BF6A

accent

#E047D6

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342CA1

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

Preview Lab → · Contrast checker → · Palette generator →