#342CA5#342CA5

#342CA5 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.2% C 0.185 H 276.5°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#342CA5
RGB	rgb(52, 44, 165)
HSL	hsl(244, 58%, 41%)
HSV	hsv(244, 73%, 65%)
CMYK	cmyk(68.5%, 73.3%, 0%, 35.3%)
CIE-LAB	lab(27.43, 41.60, -63.58)
CIE-LCH	lch(27.43, 75.98, 303.20°)
OKLab	oklab(39.22% 0.0211 -0.1837)
OKLCH	oklch(39.22% 0.185 276.5)
XYZ	xyz(9.1062, 5.2472, 36.1229)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342CA5 #9DA52C

analogous

#2C60A5 #342CA5 #702CA5

triadic

#342CA5 #A5342C #2CA534

tetradic

#342CA5 #A52C60 #9DA52C #2CA570

square

#342CA5 #A52C60 #9DA52C #2CA570

split-complementary

#342CA5 #A5702C #60A52C

monochromatic

#161244 #251F75 #342CA5 #4B42CD #7972D9

Accessibility & contrast

On white

10.25

#342CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#342CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342CA5

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342CA5	#FFFFFF	#000000	##FFFFFF
##342CA5	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A9

Deuteranopia (green-blind)

#003BA3

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #342ca5;
/* rgb */ color: rgb(52, 44, 165);
/* oklch */ color: oklch(39.2% 0.185 276.5);

Tailwind

colors: {
  custom: {
    50: '#7c67c1',
    500: '#342ca5',
    950: '#000000',
  },
}

SCSS

$custom: #342ca5;
$custom-light: #7c67c1;
$custom-dark: #000000;

JSON

{
  "hex": "#342ca5",
  "rgb": {
    "r": 52,
    "g": 44,
    "b": 165
  },
  "hsl": {
    "h": 243.967,
    "s": 57.895,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39222,
    "c": 0.1849,
    "h": 276.5
  },
  "luminance": 0.05248
}

Semantic roles & 50–950 ramp

primary

#342CA5

secondary

#BBC16C

accent

#E147D7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342CA5

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

Preview Lab → · Contrast checker → · Palette generator →